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Recent questions and answers in Numerical Ability
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Made Easy Test Series : Aptitude
Seetal wants to sell her bicycle, either a profit of $K$% or a loss of $K$%. What is value of $K?$ Statement $1:$ Difference between the amount Seetal gets in the $2$ cases is $Rs 2560$ Statement $2:$ If Seetal profit is $Rs. K$ her profit percentage is $7.5$%
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Numerical Ability
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Madeeasy Test Series
Three peoples have 32,72,and 98, respectively. If they pool their money then redistribute it among themselves. What is the maximum possible value for the median amount of money?
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GATE2014EC01GA4
The statistics of runs scored in a series by four batsmen are provided in the following table. Who is the most consistent batsman of these four? ... $K$ $L$ $M$ $N$
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Apr 10
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gate2014ec01
statistics
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Made easy Test Series
Five students, Adnam, Beth, Chao, Dan and Edmund are to be arranged in a line. How many such arrangements are possible if Beth is not allowed to stand next to Dan? Ans given is 72
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Mar 26
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Numerical Ability
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Abhi1601
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5
Aptitude
Ramon wants to cut a rectangular board into identical squares pieces. If the board is 18 inches by 30 inches, what is the least number of square pieces he can cut without wasting any of the board? Ans given is 15
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Mar 22
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Allen Career Institute: Aptitude
If $log_{4}\left ( \frac{2}{x} \right )+log_{16}\left ( 0.5 \right )=2$ then $(A)$ $4log_{4}x=7$ $\left ( B \right )2log_{4}x=7$ $\left ( C \right )2log_{16}x=7$ $\left ( D \right )log_{16}x=7$
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Mar 22
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generalaptitude
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Made easy Test series
Rajesh traveled from home to school at 30 miles per hour. Then he returned home at 40 miles per hour, and he finally went back to school at 60 miles per hour, all along the same route. What was his average speed for the entire trip,in miles per hour?
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Mar 22
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Permutation
Find the no. of permutations of the letters of the word ‘REMAINS’ such that the vowels always occur in odd places?
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Mar 22
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Dipanshu Rana
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1
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9
Self Doubt  Aptitude
How to know whether in this question answer will be 6^4 or 4^6. In how many ways can a person send invitation cards to 6 of his friends if he has 4 servants to distribute the cards?
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Mar 21
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UPPCL AE 2018:77
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Mar 11
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11
Permutations, TIFR2011B30
What does it mean when they say "An array A[1...n] consists of a permutation of numbers 1....n.".? Also I'd be grateful if you give some example.
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Feb 28
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Kuljeet Shan
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datastructure
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12
GATE20142GA9
The ratio of male to female students in a college for five years is plotted in the following line graph. If the number of female students doubled in $2009$, by what percent did the number of male students increase in $2009$?
answered
Feb 24
in
Numerical Ability
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ShamikBanerjee
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563
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gate20142
numericalability
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13
the number of digits in 2^64
If log 2= 0.030103, the number of digits in 2^64 is : a.18 b.19 c.20 d.21
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Feb 24
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Numerical Ability
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shaz
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377
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logarithms
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14
2018 PGEE SAMPLE Paper : Q4
All shirts are Tshirts with buttons. No yellow Tshirt has buttons. No shirt is yellow. If the first two statements are true, the third statement is (A) True (B) False (C) Uncertain
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Feb 20
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2018_pgee_sample question 1
Three cards are chosen at random from a pack of 52 cards. In how many ways this can be done if all the three cards are of different types? (A) 4 × 13^3 (B) 13 × 12 × 11 (C) 53C13 (D) (3 × 13) / (12 × 11)
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Feb 20
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hardstylz
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permutationsandcombinations
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16
MadeEasy Test Series 2019: General Aptitude  Work Time
Three identical inlet pipes were opened at 6:00 AM to fill up an empty container. At 8:30 AM, 2 identical pipes (having different rate from existing pipe's rate) are also opened. At 9:30 AM, it still required 1 more ... 8:30 AM can individually fill up the empty container in 40 hours, then the capacity of the container is ____________ m3.
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Feb 18
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imShreyas
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generalaptitude
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worktime
madeeasytestseries2019
madeeasytestseries
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2
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17
Problem on ages
The ratio of the ages of a husband and his wife when they got married was 6 : 5. 4 years and 6 years after their marriage they had their 1st and 2nd children. The sum of the present ages of the husband and wife is 6.4 times the sum of the present ages ... age of the family at present is 18.5 years. Find the ratio of the ages of the husband and wife when their second child was born.
answered
Feb 14
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Numerical Ability
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Swapnil Naik
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numericalability
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18
crypt arithmetic
If 356 + 123 = 512 .Then what is the value of 653 + 321? 1.215 2.974 3.1004 4.1304 How to solve these type questions?
answered
Feb 13
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Numerical Ability
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Ram Swaroop
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160
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numerical
cryptography
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19
GATE201921
The value of $3^{51} \text{ mod } 5$ is _____
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Feb 11
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Numerical Ability
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dr_Jackal
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15
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gate2019
numericalanswers
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modulararithmetic
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20
Who committed the crime  GATE 2019
The police has arrested four criminals P, Q, R and S. P says Q committed crime Q says S committed crime R says “I didn’t do it” S says what Q said about me is false. There is only one criminal and also only one of the above statements is correct. Who among the four committed the crime?
[closed]
answered
Feb 5
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Numerical Ability
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Yash Soni 1
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187
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propositionallogic
truefalse
generalaptitude
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1
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21
Gate 2019 CSE
DRAMA= 60 Dance = 30 Math = 12 Drama and dance and math = 2 Dance and drama = 40 Dance and math = 15 Drama and math = 7 75 % of total students not participate in any the club. Total number of students?? A) 900 B) 975 C) 1000 D) 225 (Please correct the data if wrong.)
answered
Feb 4
in
Numerical Ability
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Markzuck
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643
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4.2k
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+1
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7
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22
GATE2019GA4
Ten friends planned to share equally the cost of buying a gifts for their teacher. When two of them decided not to contribute, each of the other friends had to pay Rs. $150$ more. The cost of the gift was Rs. ____ $666$ $3000$ $6000$ $12000$
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Feb 3
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Bikash Singh
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109
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gate2019
generalaptitude
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costmarketprice
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23
aptitute
The no. of ways to distribute n items among r people where each gets zero or more items. please give the detailed formula for this or give any good example.
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Feb 2
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learner_geek
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aptitute
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24
Work and Time
Chandan and Falguni work on alternate days; Chandan working on the 1st day, Falguni on the 2nd, then Chandan again on the 3rd followed by Falguni on the 4th and so on. In this way, they can finish the work in 25 days. The work done by Chandan varies every day ... but my doubt is here asked is number of days so shouldn't we fill(answer) 55 instead of 54.25 as days cant be in decimal
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Feb 1
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Numerical Ability
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Mayank Bansal
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83
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146
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worktime
numericalability
+10
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4
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25
GATE20162GA06
Among $150$ faculty members in an institute, $55$ are connected with each other through Facebook and $85$ are connected through Whatsapp. $30$ faculty members do not have Facebook or Whatsapp accounts. The numbers of faculty members connected only through Facebook accounts is _______. $35$ $45$ $65$ $90$
answered
Jan 31
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Numerical Ability
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Lakshman Patel RJIT
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gate20162
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sets
easy
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26
TIFR2019B14
Let $m$ and $n$ be two positive integers.Which of the following is NOT always true? If $m$ and $n$ are coprime,there exist integers $a$ and $b$ such that $am + bn=1$ $m^{n1} \equiv 1$ $($mod$ $n$)$ ... $m+1$ is a factor of $m^{n(n+1)}1$ If $2^n 1$ is prime. then $n$ is prime
answered
Jan 31
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Numerical Ability
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Lakshman Patel RJIT
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tifr2019
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27
Permutation
The number of ways can 5 letter be put into 3 letter boxes A, B, C if letter box A must contain atleast 2 letters ________. Please tell what are the extra cases in this: Choose 2 letters and put in box A – $^5C_2$ Now remaining 3 letters have $3^3$ choices So, $^5C_2 \times 3^3 = 270$
[closed]
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Jan 27
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shreyansh jain
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permutationsandcombinations
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28
GATE 20181GA (ME)
Consider the following three statements: (i) Some roses are red. (ii) All red flowers fade quickly. (iii) Some roses fade quickly. Which of the following statements can be logically inferred from the above statements? If (i) is true and (ii) is false then (iii) is false If (i ... i) is true and (ii) is true then (iii) is true If (i) is false and (ii) is false then (iii) is false
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Jan 26
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29
GATE20171GA3 (EC)
Some tables are shelves. Some shelves are chairs. All chairs are benches. Which of the following conclusion can be deduced from the preceding sentences? i. At least one bench is a table ii. At least one shelf is a bench iii. At least one chair is a table iv. All benches are chairs Only i Only ii Only ii and iii Only iv
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Jan 26
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gate20171
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GATE CS 1999
Two girls have picked 10 roses, 15 sunflowers and 14 daffodils. What is the number of ways they can divide the flowers amongst themselves? A)1638 B)2100 C)2640 D)1123 The answer is given but how to find it I mean can any one tell me what is the procedure for finding answer to such questions. Thank You
[closed]
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Jan 25
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aptitude questions resource
where can i get the collection of previous year aptitude questions of all branches to practice? is there any resource available?
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Jan 25
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generalaptitude
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32
Applied AI Mock test: numericalability
6 is the given option, but why not (D) as k can be replaced with 15, and still 18 can divide the number. infact if the sum of all digits is divisible by 18 then 18 can divide it.
answered
Jan 24
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33
GATE 20172GA5 (EC)
500 students are taking one or more course out of Chemistry, Physics, and Mathematics. Registration records indicate course enrolment as follows: Chemistry (329), Physics (186), and Mathematics (295). Chemistry and Physics (83), Chemistry and Mathematics (217), and Physics and Mathematics (63).How many students are taking all 3 subjects? 37 43 47 53
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Jan 24
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34
Number system
If N=.xyzxyzxyz……… N is a repeating non terminating decimal number then the natural number by which N can be multiplied so that the resultant is a natural number is a)495 b)1001 c)891 d)4995
answered
Jan 24
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numbersystem
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35
RRB ALP
No. of ways to arrange the word letters “SEEDING” such that all vowel together Are? 340 360 720 780
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Jan 24
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Yash4444
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455
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77
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and
+13
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4
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36
GATE20152GA8
In a triangle $PQR, PS$ is the angle bisector of $\angle QPR \text{ and } \angle QPS =60^\circ$. What is the length of $PS$ ? $\left(\dfrac{(q+r)} {qr}\right)$ $\left(\dfrac {qr} {q+r}\right)$ $\large \sqrt {(q^2 + r^2)}$ $\left(\dfrac{(q+r)^2} {qr}\right)$
answered
Jan 24
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gate20152
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37
GATE20141GA5
The roots of $ax^{2}+bx+c = 0$ are real and positive. $a, b$ and $c$ are real. Then $ax^{2}+b\mid x \mid + c =0$ has no roots $2$ real roots $3$ real roots $4$ real roots
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Jan 23
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38
GATE20172GA8
$X$ is a $30$ digit number starting with the digit $4$ followed by the digit $7$. Then the number $X^3$ will have $90$ digits $91$ digits $92$ digits $93$ digits
answered
Jan 23
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gate20172
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39
Made Easy Aptitude
How many factors of N = $12^{12} X 14^{14} X 15^{15}$ are multiples of $K = 12^{10} X 14^{10} X 15^{10}$? 2 X 4 X 5 3 X 5 X 6 8 X 7 X 4 X 5 9 X 8 X 6 X 5
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40
Time and work
In a factory, 20 workers start working on a project of packing consign ments. They need exactly 5 hours to pack one consignment. Every hour 4 new workers join the existing workforce. It is mandatory to relieve a worker after 10 hours. Then the number of consignments that would be packed in the initial 113 hours is (A) 40 (B) 50 (C) 45 (D) 52.
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Jan 21
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