If 18 is added to a two-digit number, its digits are reversed. If the product of the digits of the number is 24, the number is :

1. 46

2. 64

3. 56

4. 48

Three years hence, the ages of Radha and Meena will be in the ratio 5 : 2. If the sum of their present ages is 62 years, their ages, 2 years ago, were:

1. 43 years and 19 years

2. 41 years and 17 years

3. 40 years and 16 years

4. none of these

The product of the digits of a two digit number is 24. If it's unit's digits exceeds twice it's ten's digit by 2; find the number.

The ages of two sisters are 11 years and 14 years. In how many years time will the product of their ages be 304 ?