Present age of ‘C’ = 0.4 × 50 = 20 years 4 years ago from now, age of ‘C’ = 20 – 4 = 16 years 6 years hence from now, age of ‘B’ = 16 × (7/4) = 28 years Present age of ‘B’ = 28 – 6 = 22 years
The area of a rectangular field is 4374 m2 and its length to breath is in the ratio of 3:2. What is the perimeter of the field?
The volume of cone is 1320 cm3. If its height is 1.4 cm then find the radius of the cone.
If the word PHOTOGRAPH is spelt with ‘F’ in place of ‘PH', then what would be the percentage reduction in the number of letters?
The perimeter of an equilateral triangle is 72√3 cm. Find its height.
If the volume of a cylinder is 384π and the ratio of radius to its height is 4:3 then find the curved surface area of cylinder?
A racetrack is in the shape of a rectangle with length of 48 meters and area of 6000 m 2. A car takes 10 seconds to make one lap around the ...
In a triangle ABC, D, E and F are the mid-points of the sides BD, CA and AB, respectively. BE and DF intersect at X. DE and CF intersect at Y. Find XY = ?
The difference between the lengths of two parallel sides of a trapezium is 12 cm. The perpendicular distance between these two parallel sides is 60 cm. ...
A circular clock has the hour hand of length 6 inch. Find the length of the distance it covers by it's tip from 9 p.m. to 3 a.m.
In a store room there are one windows and one door. The area of the windows is 1.25m2, which is (¼) of the area of the door. The cost of pai...
