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Question 1
The areas of two circles are in the ratio 1: 2. If the two circles are moulded in the form of squares, what is the ratio of their areas?
Question 2
The diameter of a circle is equal to the side of the square. What is the area of the square if the area of the circle is 64π sq cm?
Question 3
The curved surface area of a hemisphere is 27.72 sq cm and volume is 19.404 cubic cm, find its radius?
Question 4
Nishanth builds a lego tower of dimensions 25 cm 60 cm 2 m with lego bricks each measuring 10 cm 5 cm 3 cm. How many blocks is needed to complete the tower.
Question 5
The area of the largest triangle that can be inscribed in a semicircle of radius 6m is
Question 6
The diameter of a wheel is 98 cm. The number of revolutions in which it will have to cover a distance of 1540 m is
Question 7
The base of a right prism is an equilateral triangle of side 8 cm and height of the prism is 10 cm. Then the volume of the prism is
Question 8
A circular road runs around a circular ground. If the difference between the circumferences of the outer circle and the inner circle is 66 metres, the width of the road is :
Question 9
If each side of a square is increased by 10% then what will be the percentage increase in the area of that square?
Question 10
A circle and a rectangle have have the same perimeter. The sides of the rectangle are 10 cm and 12 cm. The area of the circle is:
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Jul 31CDS & Defence