Recent questions and answers in Numerical Ability

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1

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 $7.5$%

asked 2 days ago in Numerical Ability by srestha Veteran (110k points) | 15 views

+1 vote

2 answers

2

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?

answered 4 days ago in Numerical Ability by Badayayash Active (1k points) | 79 views

+4 votes

5 answers

3

GATE2014-EC01-GA4
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? ... $K$ $L$ $M$ $N$

answered Apr 10 in Numerical Ability by Hirak (397 points) | 1.3k views

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1 answer

4

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

answered Mar 26 in Numerical Ability by Abhi1601 (21 points) | 46 views

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1 answer

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

answered Mar 22 in Numerical Ability by Shaik Masthan Veteran (60.2k points) | 69 views

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1 answer

6

Allen Career Institute: Aptitude
If $log_{4}\left ( \frac{2}{x} \right )+log_{16}\left ( 0.5 \right )=2$ then $(A)$ $4log_{4}x=-7$ $\left ( B \right )2log_{4}x=-7$ $\left ( C \right )2log_{16}x=-7$ $\left ( D \right )log_{16}x=-7$

answered Mar 22 in Numerical Ability by AjayShaligram (111 points) | 46 views

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7

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?

asked Mar 22 in Numerical Ability by Dipanshu Rana (379 points) | 29 views

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0 answers

8

Permutation
Find the no. of permutations of the letters of the word ‘REMAINS’ such that the vowels always occur in odd places?

asked Mar 22 in Numerical Ability by Dipanshu Rana (379 points) | 18 views

0 votes

1 answer

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?

answered Mar 21 in Numerical Ability by newdreamz a1-z0 Active (1.7k points) | 47 views

0 votes

1 answer

10

UPPCL AE 2018:77

answered Mar 11 in Numerical Ability by Ram Swaroop Active (2.6k points) | 41 views

–1 vote

2 answers

11

Permutations, TIFR2011-B-30
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.

answered Feb 28 in Numerical Ability by Kuljeet Shan Active (1.1k points) | 72 views

+14 votes

4 answers

12

GATE2014-2-GA-9
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 by ShamikBanerjee Junior (563 points) | 1.6k views

0 votes

0 answers

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

asked Feb 24 in Numerical Ability by shaz (377 points) | 61 views

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1 answer

14

2018 PGEE SAMPLE Paper : Q4
All shirts are T-shirts with buttons. No yellow T-shirt has buttons. No shirt is yellow. If the first two statements are true, the third statement is (A) True (B) False (C) Uncertain

answered Feb 20 in Numerical Ability by Satbir Loyal (5.9k points) | 186 views

0 votes

1 answer

15

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)

answered Feb 20 in Numerical Ability by hardstylz (137 points) | 124 views

+1 vote

2 answers

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.

answered Feb 18 in Numerical Ability by imShreyas (37 points) | 190 views

+2 votes

2 answers

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 in Numerical Ability by Swapnil Naik Active (3k points) | 98 views

0 votes

1 answer

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 in Numerical Ability by Ram Swaroop Active (2.6k points) | 160 views

0 votes

4 answers

19

GATE2019-21
The value of $3^{51} \text{ mod } 5$ is _____

answered Feb 11 in Numerical Ability by dr_Jackal (15 points) | 2.2k views

0 votes

1 answer

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 in Numerical Ability by Yash Soni 1 (187 points) | 724 views

+1 vote

1 answer

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 by Markzuck Junior (643 points) | 4.2k views

+1 vote

7 answers

22

GATE2019-GA-4
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. ____ $666$ $3000$ $6000$ $12000$

answered Feb 3 in Verbal Ability by Bikash Singh (109 points) | 1.9k views

+1 vote

0 answers

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.

asked Feb 2 in Numerical Ability by learner_geek Active (3.7k points) | 76 views

0 votes

0 answers

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

asked Feb 1 in Numerical Ability by Mayank Bansal (83 points) | 146 views

+10 votes

4 answers

25

GATE2016-2-GA-06
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 in Numerical Ability by Lakshman Patel RJIT Boss (34.3k points) | 2.6k views

0 votes

2 answers

26

TIFR2019-B-14
Let $m$ and $n$ be two positive integers.Which of the following is NOT always true? If $m$ and $n$ are co-prime,there exist integers $a$ and $b$ such that $am + bn=1$ $m^{n-1} \equiv 1$ $($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 in Numerical Ability by Lakshman Patel RJIT Boss (34.3k points) | 180 views

0 votes

0 answers

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]

asked Jan 27 in Numerical Ability by shreyansh jain Active (2.2k points) | 138 views

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0 answers

28

GATE 2018-1-GA (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

asked Jan 26 in Numerical Ability by Sambhrant Maurya Active (1.7k points) | 104 views

0 votes

0 answers

29

GATE2017-1-GA-3 (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

asked Jan 26 in Numerical Ability by Sambhrant Maurya Active (1.7k points) | 104 views

0 votes

0 answers

30

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]

asked Jan 25 in Numerical Ability by Nandkishor3939 Active (1.2k points) | 125 views

0 votes

1 answer

31

aptitude questions resource
where can i get the collection of previous year aptitude questions of all branches to practice? is there any resource available?

answered Jan 25 in Numerical Ability by Sasta_yoda Active (1.7k points) | 82 views

0 votes

1 answer

32

Applied AI Mock test: numerical-ability
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 in Numerical Ability by Ravi kumar singh Active (1.2k points) | 78 views

0 votes

1 answer

33

GATE 2017-2-GA-5 (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 in Numerical Ability by Ravi kumar singh Active (1.2k points) | 98 views

0 votes

1 answer

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 in Numerical Ability by Yash4444 (455 points) | 92 views

0 votes

1 answer

35

RRB ALP
No. of ways to arrange the word letters “SEEDING” such that all vowel together Are? 340 360 720 780

answered Jan 24 in Numerical Ability by Yash4444 (455 points) | 77 views

+13 votes

4 answers

36

GATE2015-2-GA-8
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 in Numerical Ability by Sambhrant Maurya Active (1.7k points) | 4k views

+19 votes

5 answers

37

GATE2014-1-GA-5
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

answered Jan 23 in Numerical Ability by Sambhrant Maurya Active (1.7k points) | 2.7k views

+19 votes

4 answers

38

GATE2017-2-GA-8
$X$ 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 in Numerical Ability by Sambhrant Maurya Active (1.7k points) | 3.8k views

0 votes

0 answers

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

asked Jan 22 in Numerical Ability by Sambhrant Maurya Active (1.7k points) | 72 views

0 votes

0 answers

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.

asked Jan 21 in Numerical Ability by Neeraj Chandrakar Active (1.9k points) | 119 views

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