SSC CPO QUANT (AVERAGE)QUIZ

The average of the scores obtained by Jitendra and Umar is 70, the average of the scores obtained by Umar and Shyamal is 56, while the average of the scores obtained by Shyamal and Jitendra is 78. What is the average of the scores obtained by Jitendra Umar and Shyamal?

A family consists of two parents and three children. If the average age of the parents is 36 years and that of the children is 10 years. Find the average age (in years) of the family.

A grocer has a sale of Rs. 2,000 , Rs. 2,500 , Rs. 3,250 and Rs. 4,250 in 4 months. How much should his sale in the 5th month be to get an overall average of Rs. 3,500?

Average of four consecutive even numbers is 37 and average of four consecutive odd numbers is 30 . Find difference between highest even number and second smallest odd number?

The average age of four players is $18.5$ years. If the age of the coach is also included, the average age increases by $20 \%$. The age of the coach is :

The average of 13 results is 68 . The average of first seven is 63 and that of the last seven is 70 , the seventh result is :

The average of 17 numbers is 35. If each number is decreased by 3, what will the new average be?

If the average of 20,40,50,y and z is 45 then the average of y and z is?

The average age of 11 players and their coach is 43 years. The average age of the first 5 players is 39 years and the average age of the other 6 players is 40 years. What is the age (in years) of the coach?