The correct answer is D
Average age of 4 daughter of a family is 8 years and average age of daughter together with their parents is 16 years. If mother is 4 years younger than...
Present age of ‘A’ is 40% more than that of ‘B’. If 11 years hence from now, ‘B’ will be 5 years younger than ‘A’, then find the sum of ...
The average age of A, B, and C is 30 years. 5 years ago, the sum of the ages of A and B was 12 more than that of C. Find the present age of C.
The average age of 26 smdents in a class is 15 years. If teacher's age is included in it, then the average will increase by one. What is the teacher's ...
The ratio of the present ages of P and Q is 7:5 respectively. If the age of P 10 years hence from now will be 100% more than the age of Q 4 years ago fr...
In a school there are 20 girls. The average age of the girls is decreased by 2 months when one girl aged 18 years is 8 replaced by a new girl. What is t...
The average age of a group of 30 men is 32 years. Five men, whose average age is 24 years, leave the group. What is the new average age of the remainin...
Present average of age of A and B is (9x-15) years. Present average age of A, B and C is (6x+5) years. If present age of B is 20% less than the present ...
The ratio of age of A and his son is 5:1. If the difference of their ages 6 years ago is 24, then find the sum of the ages of A and his son together 11 ...
The ratio of the present ages of father and his son is 9:4. The product of their ages 3 years ago was 24 times of his son’s age that year. What was so...
