12 years ago from now, let ages of ‘R’ and ‘L’ be ‘3x’ years and ‘5x’ years, respectively. So, 5x – 3x = 12 Or, 2x = 12 Or, x = 6 Present age of ‘L’ = 5x + 8 = 5 × 6 + 8 = 38 years Age of ‘L’, four years hence from now = 38 + 4 = 42 years
The area of a square is 225 cm2 which is 125 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length ...
A rectangular shaped pit of length 18 ft and breadth 16 ft is made in a rectangular field of length 64 ft and breadth 52 ft. The earth dug out of the p...
A right circular cone has a height that is double its radius, and its volume is measured at 2,250π cm³. If the radius is reduced to one-third and the ...
The ratio between the number of sides of two regular polygon is 1 : 2 and the ratio between their interior angles is 2 : 3. The number of sides of these...
'O' is a point in the interior of an equilateral triangle. The perpendicular distance from 'O' to the sides are Ö 3 cm, 2Ö 3 cm, 5Ö 3 cm. The perimet...
If ratio of interior exterior angle of a regular polygon is 2:3, then number of sides of the polygon is
The volume of a hemisphere is 2425 (1/ 2) cm3. Find its diameter (Take p = 22/7)
If ratio of interior & exterior angle of a regular polygon is 5:3, then number of sides of the polygon is
The perimeter of a square field is 16 cm more than the perimeter of a rectangle. The length of the rectangle is 24 cm which is 150% of its width. If a s...
The diameter and the slant height of a conical tent are 16 m and 5.6 m, respectively. What length of cloth having width 4m is needed to make the tent?