Distance between two stations A and B is 778km. A train covers the journey from A to B at 84 km per hour and returns bac…

4 boys and 3 girls spent Rs. 120 on an average, of which boys spent Rs. 150 on the average. The the average amount spent…

The average of odd numbers up to 100 is

A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classe…

The average of 12 numbers is 15 and the average of the first two is 14. What is the average of the rest ?

Of the three numbers, the first is twice the second and the second is twice the third. The average of the reciprocal of …

The average of four consecutive even numbers is 15. The 2<sup>nd</sup> highest number is :

The average of six numbers is 3.95. The average of two of them is 3.4, while the average of the other two is 3.85. The a…