In Arun's opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thi…

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

A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his …

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…

In an examination average marks obtained by the girls of a class is 85 and the average marks obtained by the boys of the…

Out of 10 teachers of a school, one teacher retires and in place of him a new teacher 25 years old joins. As a result of…

Average cost of 5 apples and 4 mangoes is Rs. 36. The average cost of 7 apples and 8 mangoes is Rs. 48. Find the total c…

The average age of 24 boys and their teacher is 15 years. When the teacher's age is excluded, the average age decreases …