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Recent questions and answers in Numerical Ability
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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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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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made easy test series on Aptitude
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 hour for all ... added at 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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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.
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Feb 14
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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?
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Feb 13
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cryptography
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GATE201921
The value of $3^{51} \text{ mod } 5$ is _____
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Feb 11
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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?
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Feb 5
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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.)
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Feb 4
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9
GATE2019
Ten friends decided to give a gift to a teacher by dividing the total amount. If 2 of them decided to not to give then each of them want to give 150rs more. What was the total amount.
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Feb 3
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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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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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Mayank Bansal
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worktime
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12
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 _______. $35$ $45$ $65$ $90$
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Jan 31
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Lakshman Patel RJIT
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13
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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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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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
numericalability
syllogisms
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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
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Jan 25
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gate
usergate1999
usermod
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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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Sasta_yoda
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generalaptitude
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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.
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Jan 24
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Ravi kumar singh
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generalaptitude
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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
answered
Jan 24
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Ravi kumar singh
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893
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numericalability
usergate2017
usermod
generalaptitude
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20
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
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Jan 24
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Yash4444
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433
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numbersystem
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21
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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Numerical Ability
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Yash4444
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433
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71
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permutationsandcombinations
and
+13
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4
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22
GATE20152GA8
In a triangle $PQR, PS$ is the angle bisector of $\angle QPR \text{ and } \angle QPS =60^\circ$. What is the length of $PS$ ? $\left(\dfrac{(q+r)} {qr}\right)$ $\left(\dfrac {qr} {q+r}\right)$ $\large \sqrt {(q^2 + r^2)}$ $\left(\dfrac{(q+r)^2} {qr}\right)$
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Jan 24
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Sambhrant Maurya
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gate20152
numericalability
geometry
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+19
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5
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23
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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Sambhrant Maurya
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gate20141
numericalability
quadraticequations
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+19
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4
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24
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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Sambhrant Maurya
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gate20172
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25
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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Jan 22
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Sambhrant Maurya
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generalaptitude
numericalability
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26
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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27
GATEBOOK2019 Mock Test13
Statements: The staff of Airport Authorities called off the strike they were observing in protest against privatization. The staff of Airport Authorities went on strike anticipating a threat to their jobs. Statement I is the cause and statement II is ... Both the statements I and II are independent causes. Both the statements I and II are effects of independent causes.
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Jan 19
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GATEBOOK
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gb2019mock1
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28
Time and Work
6. A team P of 20 engineers can complete work or task in 32 days. Another team Q of 16 engineers can complete same task in 30 days.Then the ratio of working capacity of 1 member of P to the 1 member of Q is a. 3 : 2 b. 4 : 3 c. 2 : 5 d. 3 : 5
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Jan 18
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29
Work and time
A can do piece of work in 30 days while Bonku alone can do it in 40 days. If they work together, how long will it take to complete the work?
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Jan 16
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Rackson
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GATE201163
The variable cost $(V)$ of manufacturing a product varies according to the equation $V=4q$, where $q$ is the quantity produced. The fixed cost $(F)$ of production of same product reduces with $q$ according to the equation $F=\dfrac{100}{q}$. How many units should be produced to minimize the total cost $(V+F)$? $5$ $4$ $7$ $6$
answered
Jan 16
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sripo
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gate2011
numericalability
costmarketprice
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31
How to solve this question.
x = 5 + 2$\sqrt{6}$. Find $\frac{x1}{\sqrt{x}}$
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Jan 16
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`JEET
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32
Need detailed explanation for this question.
A man borrows Rs. 12,500 at 20% compound interest. At the end of every year he pays Rs. 2000 as part repayment. How much does he still owe after three such installments?
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Jan 16
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33
ME TEST
Nine persons are standing in a 3 3 matrix arrangement. Reena is the tallest amongst the shortest persons of each row whereas Seema is the shortest amongst the tallest person in each column. Which of the following cannot be concluded based on these two statements? A ... 3rd shortest person. B Seema is shorter than Reena. C Seema is the third tallest person. D Seema is taller than Reena.
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Jan 15
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34
ME FT1
Three taps A, B and C can fill a cistern in 20, 24 and 30 hours respectively. On a given day, tap A is opened at 6:00 AM to fill the empty cistern. Tap B is also opened after two hours and tap C is opened another two hours later. When all three taps have been ... B is required to be closed. The minutes from start, after which tap A should be closed so that the cistern is full at 8:00 PM is .
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Jan 15
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35
GATE2012CYGA7
$A$ and $B$ are friends. They decide to meet between 1:00 pm and 2:00 pm on a given day. There is a condition that whoever arrives first will not wait for the other for more than $15$ minutes. The probability that they will meet on that day is $1/4$ $1/16$ $7/16$ $9/16$
answered
Jan 14
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Sanjay Kumar 7
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191
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6.3k
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gate2012cy
numericalability
probability
0
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36
ME TEST1
Based on the given statements, select the most appropriate option to solve the question. Sheetal wants to sell her bicycle at either a profit of K% or a loss of K%. What is the value of K? Statement 1: Difference between the amount Sheetal ... sufficient. C Both statements together are sufficient, but neither statement alone is sufficient. D Statement 1 and 2 together are NOT sufficient
answered
Jan 14
in
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Avik Chowdhury
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profitloss
0
votes
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37
GATEME2017
What is the sum of the missing digits in the subtraction problem below? 5 _ _ _ _ −4 8 _ 8 9 ________________ 1 1 1 1 (A) 8 (B) 10 (C) 11 (D) Cannot be determined
answered
Jan 14
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Avik Chowdhury
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+3
votes
2
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38
GATE2016Session4GA6
The velocity $V$ of a vehicle along a straight line is measured in $m/s$ and plotted as shown with respect to time in seconds. At the end of the $7$ seconds, how much will the odometer reading increase by (in m)? $0$ $3$ $4$ $5$
answered
Jan 11
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gate2016session4aptitude
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speedtimedistance
datainterpretation
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39
Made Easy Test Series
If $N=1!+3!+5!+7!…...199!$ then remainder obtained when N is divided by $120$ is 7 9 11 13
answered
Jan 11
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_sonu
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madeeasytestseries
numericalability
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3
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40
GATE2016Session1GA6
A person moving through a tuberculosis prone zone has a $50$% probability of becoming infected. However, only $30$% of infected people develop the disease. What percentage of people moving through a tuberculosis prone zone remains infected but does not show symptoms of disease? $15$ $33$ $35$ $37$
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Jan 11
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gate2016session1aptitude
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