Virat Kohli batting average is 53.4 in 99 test matches,what should be his score in 100 test match so his average become 54

Virat has certain batting average of 9 innings . In the tenth innings he scored 106 runs thereby increasing his average by 6 runs . His new batting average is :

Raj scored 67, 69, 78 and 88 in 4 of his subjects. What should be his score in the 5^(th) subject so that his average equals 80 ? A. 88 B. 90 C. 96 D. 98

The marks scored by Rohit in two tests were 65 and 70. Find the minimum marks the should score in the third test to have an average of at least 65 marks.

A cricketer has a certain average of 9 innings. In the tenth inning,he scores 100 runs, thereby increasing his average by 8 runs. Calculate his new average.

The marks scored by Rohit in two tests were 65 and 70. Find the minimum marks he should score in the third test to have an average of at least 65 marks.

Mohan cycles to his school at an average of 12km/hr and he takes 20 minutes to reach his school.If he wants to reach his school in 15 minutes,what should be his average speed?