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aptitude -
aptitude
aptitude questions and answers.
If 2x-y=4 then 6x-3y=?
. (a)15
. (b)12
. (c)18
. (d)10
If x=y=2z and xyz=256 then what is the value of x?
. (a)12
. (b)8
. (c)16
. (d)6
(1/10)18 - (1/10)20 = ?
. (a) 99/1020
. (b) 99/10
. (c) 0.9
. (d) none of these
Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 40 mins.If all of them work together, find the time taken to fill the tank
. (a) 17 1/7 mins
. (b) 20 mins
. (c) 8 mins
. (d) none of these
Thirty men take 20 days to complete a job working 9 hours a day. How many hour a day should 40 men work to complete the job?
. (a) 8 hrs
. (b) 7 1/2 hrs
. (c) 7 hrs
. (d) 9 hrs
Find the smallest number in a GP whose sum is 38 and product 1728
. (a) 12
. (b) 20
. (c) 8
. (d) none of these
A boat travels 20 kms upstream in 6 hrs and 18 kms downstream in 4 hrs. Find the speed of the boat in still water and the speed of the water current?
. (a) 1/2 kmph
. (b) 7/12 kmph
. (c) 5 kmph
. (d) none of these
What is the missing number in this series?
8 2 14 6 11 ? 14 6 18 12
. 13
. 9
. 8
. 3
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