Answer Posted / kiran

197

A monkey starts climbing up a tree 20ft. tall. Each hour, it hops 3ft. and slips back 2ft. How much time would it take the monkey to reach the top?

1383

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Three men A, B, C can complete a work separately in some specified days (May be 8, 7, 6).If they do the work together by alternate days. Then how many days need to complete the work?

1270

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There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small ball.The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at Nrev/sec. what is 'N' for the horizontal line from the centre of small wheel always is horizontal.

1084

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A triangle has sides of lengths 10, 24 and k. k is a positive integer. The number of values of k for which this triangle has three acute angles is

1480

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A beats B by 10 meters and B beats C by 15 meters the A beats C by

1098

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In a party there are women and cats.There are 18 heads and 72 legs altogether. How many women and cats?

1109

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Find the value of @@+25-++@16, where @ denotes "square" and + denotes "square root".

2481

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The ratio between two numbers is 5:7 and their product is 560. What is the difference between these two numbers?

1785

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In a mixture, R is 2 parts and S is 1 part. In order to make S to 25% of the mixture, how much of R is to be added?

1101

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A robber steals half the total no of pastry plus 1/2 tray from a pastry shop. A second robber steals half the remaining no of pastry plus 1/2 tray and so on. After the 5th thief has stolen there are no more pastry left in the pastry shop. What was the total no of pastry did the pastry shop have at the beginning.

1218

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The time showed by the clock at a moment is 8 am then the respective time of after and before 42896 hours is :

1693

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9/10 or 10/11 which is greater.

1338

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There are 1000 doors that are of the open-close type. When a person opens the door he closes it and then opens the other. When the first person goes he opens-closes the doors ion the multiples of 1 i.e., he opens and closes all the doors. When the second goes he opens and closes the doors 2, 4 6 8 rely. Similarly when the third one goes he does this for 3 6 9 12 15th doors rely. Find number of doors that are open at last.

1368

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A sum of money becomes 2.5 times itself at 12.5% simple interest p.a. What should be the period of investment to get this much return?

1213

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Successive discounts of 10%, 20% and 20% are equal to a single discount of __

1107

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