The difference between the radi of the smaller circle and the bigger circle is 7cm and the difference between the area of two circles is 1078Sq.cm Radius of the smaller circle is_________?

Related Mcqs:

If the length of a rectangle is increased by 20% and it’s breadth is decreased by 20% then it area________?

A. Increased by 4% B. decreased by 4% C. Decreased by 1% D. Remains unchanged...

A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?

A. 34 B. 40 C. 68 D. 88...

The diagonals of a rhombus are 15 cm and 20 cm. Find its area?

A. 120 sq m B. 300 sq m C. 150 sq m D. 480 sq m...

The area of a rectangle is thrice that of a square. The length of the rectangle is 40 cm and the breadth of the rectangle is (3/2) times of the square. The side of the square in cm is__________?

A. 15 B. 20 C. 30 D. 60...

A path of uniform width turns the inside of a rectangular field 38m long and 32m wide. IF the path occupies 600 m² than the width of the path is_______?

A. 3m B. 5m C. 8.75m D. 10m...