ESE 2022 General Studies Test 1

After striking the floor, a rubber ball rebounds to 4/5th of the height from which it has fallen. The total distance that it travel before coming to rest if it has been gently dropped from a height of 120 meters is-

A sum of 15 is divided into three parts which are in AP and sum of their squares is 83. The smallest number, is-

The age of Shyam and Kavita is in the ratio 2 : 6. After 5 years, the ratio of their ages will become 6 : 8. The average of their ages after 10 years is-

A train travels 8 km in the first quarter of an hour, 6 km in the second quarter and 40 km in the third quarter. The average speed of the train per hour over the entire journey, is

A piece of string is 80 centimeters long. It is cut into three pieces. The longest piece is 3 times as long as the middle sized and the shortest piece is 46 centimeters shorter than the longest piece. The length of the shortest piece (in cm) is-