Out of four numbers ,the average of first three is 16 and that of the last three is 15 .If the last number is 18,the first number is :
A) 20 B) 21 C) 23 D) 25
There is a escalator and 2 persons move down it.A takes 50 steps and B takes 75 steps
while the escalator is moving down. Given that the time taken by A to take 1 step is equal to
time taken by B to t
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If you think dogs can't count, try putting three dog biscuits in your pocket and then giving tommy only two of them.Phil Pastoret
Mathematics is a game played according to certain simple rules with meaningless marks on paper.David Hilbert
M4Math helped me a lot.Vipul Chavan 3 Months ago
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