For the following questions answer them individually
Three numbers are given in which the second is triple the first and is also double the third. If the average of the three numbers is 66, find the first number.
Pihu and Aayu are running on a circular track of diameter 28 m. Speed of Pihu is 48 m/s and that of Aayu is 40 m/s. They start from the same point at the same time in the same direction. When will they meet again for the first time?
In the following questions are to be based on the details given below:
A salesman visits 274 houses in a town to fmd out the views about three products X, Y and Z. He found that 157 use X, 98 use only X, 22 use all the three, 14 use X and Z but not Y, 39 use Y and Z., 48 use only Y
For the following questions answer them individually
A superfast Duronto express running at 90 kmph overtakes a bike miming at 36 kmph in 25 seconds. What is the length of the train in meters?
