The average of 50 numbers is 38. If two numbers namely 45 and 55 are discarded, the average of the remaining number is :

A cricketer has a certain average for 9 innings. In the 10th innings he scores 100 runs, thus increasing his a...

Masud has twice as much money as Selim has and Selim has 50% more money than what Bashir has. If the average m...

A man spends 75% of his income. his income is increased by 20% and he increased his expenditure by 10%. His sa...

If a commission of 10% is given on the marked price of a book, the publisher gains 20%. If the commission is i...

A man donated 5% of his income to a charitable organization and deposited 20% of the remainder in a bank. if h...

An ambulance travels 10 miles at a speed of 50 miles per hour. how fast must the ambulance travel on the retur...