Question
Solution
The correct answer is C
Pipe тАШAтАЩ and pipe тАШBтАЩ can fill a cistern in 20 minutes and 15 minutes respectively. Pipe тАШCтАЩ alone can empty the cistern in 12 minutes. If a...
A shopkeeper bought two article A&B for a total of rupees 3500. He marked Article A 140% above its cost price and sold it after giving a discount of 20%...
3600, 600, 120, 30, 10, ?
14, 28, 56, 112, ...... The sum of first 10 numbers in the series is:
If A and B are two sets such that the number of elements in A is 20, a number of elements in B is 18 and the number of elements in both A and B is 10, f...
What is the mean value of the following set of data?
9, 11, 13, 15, 12, 10, 14, 16
At a certain time in a park, the number of heads and the number of legs of monkeys and human visitors were counted, and it was found that there were 54 ...
Find the variance of the following data points:
6, 7, 5, 9, 11, 14
Find the standard deviation of the following data (rounded of the two decimal places).
5,3,4,7
The areas of three adjacent faces of a cuboid are 32 cm2,24cm2 and 48cm2.Find the volume of cuboid.(in cm) 3
