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Grail Insights Interview Questions
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Two pipes C and D can fill a tank in 36 hours and 45 hours respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?
A. 10 hours
B. 20 hours
C. 30 hours
D. 40 hours
407 views
Admin
Changed status to publish
January 1, 2022
Aptitude
Pipes And Cisterns
0
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0
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Why are manhole covers round?
197 views
Aptitude
0
Votes
0
Ans
What decimal of an hour is a second
A. 0.0027
B. 0.047
C. 0.0270
D. 0.0720
430 views
Admin
Changed status to publish
December 24, 2021
Aptitude
Fractions and Decimals
0
Votes
0
Ans
If A lends Rs.3500 to B at 10% per annum and B lends the same sum to C at 11.5% per annum then the gain of B in a period of 3 years is?
284 views
Aptitude
Assistant Manager
0
Votes
0
Ans
You have a bucket of jelly beans. Some are red, some are blue, and some green. With your eyes closed, pick out 2 of a like color. How many do you have to grab to be sure you have 2 of the same?
215 views
General Aptitude
0
Votes
0
Ans
How many times does the 29th day of the month occur in 400 consecutive years?
A. 4487 times
B. 4457 times
C. 4497 times
D. 4447 times
142 views
Admin
Changed status to publish
December 30, 2021
Aptitude
Calendar
0
Votes
0
Ans
You have given two blank faced dice… on both dice on each face you write any number you want from 0 to 9. now you are sitting and somebody comes and ask you the date of current month. you have show two dice to tell him the date. is it possible If yes how
183 views
Aptitude
0
Votes
0
Ans
If 12 distinct points are placed on the circumference of a circle and all the chords connecting these points are drawn. What is the largest number of points of intersection for these chords?
228 views
Aptitude
0
Votes
0
Ans
What is the least number to be subtracted from 696 to make it a perfect square?
185 views
Aptitude
Assistant Manager
0
Votes
0
Ans
A company pays 12.5% dividend to its investors. If an investor buys Rs.50 shares and gets 25% on investment, at what price did the investor buy the shares?
A. 5
B. 15
C. 25
D. 35
408 views
Admin
Changed status to publish
January 6, 2022
Aptitude
Stocks & Shares
0
Votes
0
Ans
If a card is chosen from a standard deck of cards, what is the probability of getting a five or a seven?
A. 7/52
B. 8/52
C. 9/52
D. 10/52
189 views
Admin
Changed status to publish
January 3, 2022
Aptitude
Probability
0
Votes
0
Ans
Find the odd man out. 23, 27, 36, 52, 77, 111, 162
A. 111
B. 222
C. 333
D. 444
221 views
Admin
Changed status to publish
December 30, 2021
Aptitude
Odd Man Out and Series
0
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0
Ans
A clock strikes 4 taking 9 seconds. In order to strike 12 at the same rate, the time taken is
A. 13 seconds
B. 23 seconds
C. 33 seconds
D. 43 seconds
230 views
Admin
Changed status to publish
December 31, 2021
Aptitude
Time and Clock
0
Votes
0
Ans
Number of squares in a nxn grid
177 views
Aptitude
0
Votes
0
Ans
Given a triangle ABC, how would you use only a compass and straight edge to find a point P such that triangles ABP, ACP and BCP have equal perimeters? (Assume that ABC is constructed so that a solution does exist.)
171 views
General Aptitude
0
Votes
0
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