When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is …

In an exam, the average marks obtained by Jhon in English, Math, Hindi and Drawing were 50. His average mark in Maths, S…

The average wages of a worker during a fortnight comprising 15 consecutive working days was Rs. 90 per day. During the f…

Amount five people with monthly income (in Rs.) 15000, 26000, 16000, 19000, 50000, how many will have income less than t…

Kunal bought 65 books for Rs. 1050 from one shop and 50 books for Rs. 1020 from another. What is the average price he pa…

The average of a collection of 20 measurements was calculated to tb 56 cm. But later it was found that a mistake had occ…

A student obtained the following marks in percentage in his semester examination English 50, Maths 65, Statistics 70, Ec…

The average height of 30 boys out of a class of 50 is 160 cm. If the average height of the remaining boys is 165 cm, the…