Hugo de vries gave the term mutation breeding
Rohan's present age is 3/7 times the age of his mother. After four years, he will be one- half of the age of his mother. How old is his mother at present?
C is three years older than B, while ratio of age of A to that of B four years ago was 3: 5. If age of A eight years later will be equal to the age of C...
Present average age of 4 friends: ‘A’, ‘B’, ‘C’ and ‘D’ is 40 years. If their ages are in the arithmetic progression in the same order a...
The respective ratio of the present ages of A and B is 5:6. The present age of C is 20% more than that of B. The sum of the present ages of A, B and C i...
Currently, the ages of Rahul and Ritesh are in a ratio of 7:3. If we look back three years, the ages of Ritesh and Ramesh had a ratio of 1:3. Knowing th...
Currently, the combined ages of 'P' and 'Q' add up to 78 years. The ratio of 'P's age 2 years ago to 'Q's age 2 years in the futu...
Present ages of P and Q are in the ratio 5:8 respectively. If Q’s age, 14 years hence from now will be 4 times of P’s age, 4 years ago from now, the...
Sum of the present ages of A, B, C and D is 70 years. After 5 years ratio of their ages is 5:4:4:2. What is C’s present age?
‘A’ is 5 years younger than ‘B’ and 6 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 35 years and 20 years, respectively...
12 years ago, A was 1/2 of B’s age. If the ratio of their present ages is 4:5, what will be the sum of their present ages?
