Mensuration Quiz 1 RRB NTPC

Find the length of diagonal of rectangle if length is 15 m and width is 17 m?

What is the rotational symmetry of rhombus?

Find the circumference (in cm) of largest circle which circumscribe the square of length 30 cm.

If the circumference of circle is 90 cm more than the diameter of the circle, then find the radius of the circle.

The curved surface area of cylinder is 858 cm². If its height is 13 cm, then find the total surface area (in m²) of cylinder.

How many complete revolutions were taken by the wheel of diameter 20 m to cover the distance of 20 km (use π = 3.14)?

The length of rectangle is increased by 10% and its breadth is decreased by 15%, then what is the percent change in its area?

The area formed between two concentric circles of circumferences 157 cm and 125.6 cm respectively will be: (use π = 3.14)

A sphere of radius 12 cm is re-casted to form some small spheres of radius 4 cm. How many such spheres were formed?

What is the number of sides of a regular polygon if each of its interior angle is 120⁰?