Mathematics
Two years ago the ages of Radha and Meena were in the ratio 5 : 2. If the sum of their present ages is 39 years, their ages, 2 years ago, were :
27 years and 12 years
17 years and 22 years
25 years and 10 years
11 years and 28 years
Related Questions
In order to fill an empty swimming pool completely, a pipe of larger diameter alone takes 10 hour less than the time taken by the pipe of the smaller diameter alone. If the pipe of the larger diameter is used for 4 hours and the pipe of the smaller diameter is used for 9 hours, half of the pool is filled. In how many hours will the pipe of the larger diameter alone fill the pool.
The perimeter of a rectangular field is 28 m and its area is 40 sq. m. Its sides are :
8 m and 6 m
4 m and 10 m
10 m and 6 m
3 m and 11 m
The perimeter of a square is numerically equal to its area. The perimeter of the square is :
4 units
8 units
12 units
16 units