A circular lawn has an inner radius of 21 metres. A track of width 7 metres surrounds the lawn. Find the cost of colouring the track at the rate of Rs....
In a rectangular floor of length and breadth of 16 metres and 7 metres, respectively, square tiles each of 4 metre edge length are to be laid. If the co...
The length of a rectangle is 64 cm. If the ratio of length to perimeter of the rectangle is 4:15, find the area of a circle whose diameter is 6 cm less ...
A wire, when bent in the form of a square encloses an area of 121 sq. cm. If the same wire is bent in the form of a circle, what is the area enclosed by...
The perimeter of a sector of a circle, whose radius is 25 cm, is 66 cm. If the length of a rectangle is 10 cm more than the arc subtended by the sector ...
The length and breadth of a rectangle are increased by 20% and 30% respectively. The increase in the area of the resulting rectangle will be:
If √̀…1̀…2̀…-̀…2̀…√̀…3̀…5̀… + √̀…8̀…+̀…2̀…√̀…1̀…5̀… = √a + √b, where a and b are positive integers, then the value o...
Perimeter of a square and circumference of a circle are in the ratio 9:11, respectively. If area of the square is 81 cm2, then find the radiu...
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 diagonal of a rhombus is 6 cm. If its area is 24 cm, then the length of each side of the rhombus is?