National Dairy Research Institute is located at Karnal, Haryana.
Nine years ago, the ratio of ages of Raj and Vijay was 5:7, respectively. Four years hence, the ratio of ages of Sanjay and Vijay will be 2:3, respectiv...
Four years ago, the ratio of ages of a brother and sister was 5:6 respectively. 3 years from now, the age of the sister will be twice that of the brothe...
A’s age is the fourth part of his father’s age. After 8 years, the age of A’s father will be twice the age of B. If B’s 7th birthday is celebrat...
Present ages of 'A' and 'B' are in the ratio 3:5, respectively. If B's age, 8 years hence from now will be 3 times of A's age, 2 years ago from now, the...
There are 5 children in a family. The average age of the children is 10 years. If the present age of their mother and father is added, the average age o...
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 ...
Five years ago, the average age of a family of four members was 25 years. Six years hence, the ratio of their ages will be 9:7:5:3. Find the a...
A is younger than B by 4 years. If the ratio of A and B ages is 5:7 respectively, then find the age of A.
The present age of A is 9/5 times to that of his marriage age. Present age of his brother is 1/2nd of his present age. If A was married 24 years ago the...
The ratio of the present ages of P and Q is 6:5 respectively. If the age of P 12 years hence from now will be 125% more than the age of Q 4 years ago fr...
