A batsman makes a score of 87 runs in the 17<sup>th</sup> inning and thus increases his average by 3. Find h…

In a family of 5 members, the average age at present is 33 years. The youngest member is 9 years old. The average age of…

The average of the first nine prime numbers is-

The average age of 30 students is 9 years. If the age of their teacher is included, the average age becomes 10 years. Th…

The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85.…

The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average mon…

The sum of three consecutive even numbers is 28 more than the average of these three number. Then the smallest of these …

The average of the squares of first ten natural numbers is-