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A and B combinely can do a work in 4 days. If A alone can
do a piece of work 6 days. In how many days B alone can do?
a) 8 days b) 6 days c)10 days d) 12 days
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in a single throw of dice ,the chance of throwing a total of 3 is
A bike runs at the speed of 50 km/h when not serviced and runs at 60 km/h when serviced. After servicing the bike covers a certain distance in 6 h. How much time will the car take to cover the same direction?
The sum of the series 1 + 1(1+1/n) + 3(1+1/n)2 + ..... is equal to?
There are 27 balls, of which 1 is heavier. given a balance how many times you need to weigh to find out the odd ball.
The ratio of the number of boys and girls in a college is 3:2. Out of these 10 percent are boys and 25 percent are girls are scholarship holders. Find the no of boys and girls who are not scholarship holders.
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.Both A and B Alice and Bob play the following chip-off-the-table game. Given a pile of 58 chips, Alice first picks at least one chip but not all the chips. In subsequent turns, a player picks at least one chip but no more than the number picked on the previous turn by the opponent. The player to pick the last chip wins. Which of the following is true?
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Find sqrt of 113 up to 3 decimal places.
albert and fernandes they have two leg swimming race. both start from opposite and of the pool. On the first leg, the boys pass each other at 18 mt from the deep end of the pool. during the II leg they pass at 10 mt from the shallow end of the pool. Both go at const speed. but one of them is faster. each boy rests for 4 sec to see at the end of the i leg. what is the length of the pool.
Mr. Jaweri decided to walk down the escalator on the station. He found that if he walks down 26 steps, he requires 30 seconds to reach the bottom. However, if he steps down 34 stairs he would only require 18 seconds to get to the bottom. If the time is measured from the moment the top step begins to descend to the time he steps off the last step at the bottom, find out the height of the stair way in steps?
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If A is travelling at 72 km per hour on a highway. B is travelling at a speed of 25 meters per second on a highway. What is the difference in their speeds in m/sec.
