Maths Quiz Test Of 20th March

In a family, the average age of father and a mother is 35 years. The average age of the father, mother and their only son is 27 years. What is the age of the son?

In seven given numbers, the average of first four numbers is 4 and that of the last four numbers is also 4. If the average of these seven numbers is 3, the fourth number is ?

The average of Rohan’s marks in 7 subjects is 75. Her average in six subjects excluding science is 72. How many marks did she get in science?

The average age of 25 boys in a class is 16 years. If the age of two teachers was added, the average increases by one. What is the sum of the ages of the two teachers?

Average age of 5 people in a family is 55 years. However it is seen that 3 of the 5 people also have an average age of 55 years. What will be the average age of remaining two people of the family?

1. Find the average of all the numbers between 6 and 34 which are divisible by 5.

1. The average monthly income of a family of six earning members was Rs6500. One of the daughters in the family got married and left home, so the average monthly income of the family came down to Rs6000. What is the

monthly income of the married daughter?

Five years ago, the average age of P and Q was 15 years. Average age of P, Q and R today is 20 years. How old will R be after 10 years?

The average monthly income of a family of four earning members was Rs.15130. One of the daughters in the family got married and left home, so the average monthly income of the family came down to Rs.14660. What is the monthly income of the married daughter?

1. Find the average of all the numbers between 11and 55 which are divisible by 6.