A’s rate of work = 1/16, B’s rate of work = 1/12. Together, their rate of work = (1/16 + 1/12) = (3 + 4) / 48 = 7 / 48. Therefore, the time taken to complete the work = 48 / 7 = 6.86 days.
The circumference of a circle is 44 cm and the length of the rectangle is 5 times the radius of the circle. Find the area (in cm2) of the rec...
The length of a rectangle and the side of a square are in the ratio of 6:7, respectively. The breadth of the rectangle is 33(1/3)% less than its length....
The area of four walls of a room is 144 cm2. If the length and breadth of the room were equal and the height of the room is 4 cm, then what i...
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 162 cm. If each side of a square is 25% more than the brea...
The secant CD intersects the circle at E and CF is tangent to the circle at F. If the length of the secant CD is equal to 20 cm and the length of tangen...
Perimeter of a square shaped plot is 96 metres and the area of a rectangular plot is 65% more than that of the square shaped plot. Find the area (in m
A hemispherical bowl with an internal radius of 15 cm is full of liquid. This liquid will be filled in cylindrical bottles with a radius of 5 cm and a h...
If the volume of a cuboidal tank is 2430 m3 and the ratio of the length, width and height of tank is 6:5:3 respectively then find the height ...
'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...
The radius of a hemisphere is 6 cm. A cylinder with the same radius and height is placed inside the hemisphere. Find the volume of the remaining portion...
