DNA replication is semi-conservative types.
The present age of Arvind is three times of Sanjay. 6 years hence the age of Arvind will become 5 years more than 2 times the age of Sanjay. The present...
The average ages of A, B and C is 20% more than the average ages of A and B. 10years hence from now, the ratio of the ages of A and C will be 3:5, respe...
Present average age of A, B and C together is 44 years. Age of B is 12 Years hence from now will be 260% more than age of A. Four years ago from now ...
Two years ago, the combined ages of Armaan and Bikash equaled Chetna's age at that time. Ten years ago, Armaan was twice as old as Bikash. If, in five y...
A is 4 years older than B while C is 6 years younger than B. The ratio of age of A, 5 years hence and age of B, 3 years ago is 3:2. What was age of C, 6...
The average age of the husband, wife, and their child 4 years ago was 24 years and that of the husband and the child 5 years ago was 19 years. The pres...
The ratio of age of A and his son is 9:2. If the difference of their ages 7 year ago is 21, then find the sum of ages of A and his son 13 year hence?
The ratio of the present age of A to that of B is 7:9. Six years ago the ratio of 1/3 of A’s age at that time and 1/3 of B’s age at that time was 1:...
A and B are two friends. 9 years hence, age of A will become 2.5 times the present age of B, and the age of B will become 30% less than the present age ...
Arjun is three years senior to Binny, who is twice as old as Chinu. If the average age of Arjun, Binny, and Chinu is 21 years, what is the age differenc...
