If a man can swim downstream at 6kmph and upstream at 2kmph, his speed in still water is: It takes 30 days to fill a laboratory dish with bacteria. If the size of the bactiria doubles each day, how long did it take for the bactiria to fill one half of dish?

0 Answers   Wipro,

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A person's salary is getting reduced by 20%. What percentage should be added to get back his original salary?

2 Answers   Hexaware,

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The mean and the variance of a binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is?

0 Answers   Wipro,

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The difference between two numbers is 1365. When you divide the larger number with the smaller number the quotient is 6 and remainder is 15. What is the smaller number?

0 Answers   Canara Bank,

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there is number X in decimal represntation whose last digit is not 0. if digits of X are reversed then we obtain new number say Y. both X and Y are divisible by 7. then find all such X from 10 to 1000.

5 Answers   CAT,

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A man sells an article at a profit of 25%. if he had bought it at 20% less and sold it for Rs.10.50 less., he would have gained 30%. Find the cost price of the article?

6 Answers   FCI, TCS, Wipro,

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if c is a positive number,500% of c is what % of 500c

3 Answers  

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It's the largest body of water surrounded by land within a familiar political entity. However, when compared to similar landforms in the region....it's all but a puddle

0 Answers  

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A can do a piece of work in 20 days.B can do the same in 15 days.they both together work for 6 days,then B is replaced by C who works with A for next 4 days & finished it.in how many days C alone can do the same work?

3 Answers  

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If you take a marker & start from a corner on a cube, what is the maximum number of edges you can trace across if you never trace across the same edge twice, never remove the marker from the cube, & never trace anywhere on the cube, except for the corners & edges?

2 Answers  

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Two cars travel in the same direction at 40km/hr at a regular distance. A car comes in the opposite direction at 60km/hr. It meets each car in a gap of 8 seconds. What is the distance between the two cars?

4 Answers   Bhel,

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aptitude questions

1 Answers   HCL, Solartis, TCL, TCS, XL Dynamics,

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