Which Indian cricketer is known as "Brown Bradman"?

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How to enter TV Competition

The series of cataracts and falls known as the Khone Falls are on which river?

Which controversial and passionate Australian conservationist died unexpectedly in 2006 and how?

What is a "thresher"?

Leighton Reece was the first world professional champion in what sport, in 1978?

Trolling Laws In India?

In Britain, the political party called Whigs were an early version of what party?

What makes 5G faster than 4G?

In each square, the blue and red areas are equal.

If R is the radius of the quarter-circle on the left and r is the radius of the circle on the right, what is R/r

Ans : 1 Both are have a same radius

2

If you complete the first circle it will cover 4 squares, in other words its area will be 4 times of the smaller one, thus R^2=4*r^2 ----> R/r=2

The blue figure is made of five quarter-circle arcs (each with integer radius) and a segment of length 4, which is the base of a square grid.

What is the area of the blue figure?

ABCD is a square with side length R. Find the radius of the red circle in terms of R?

Three differently sized circles and a line can be positioned so that they are all mutually tangent to one another, as shown below. If the largest circle has radius 225 and the medium circle has radius 100, what is the radius of the smallest circle?

If you knew that the radius of the big circle and the big arcs is 5 cm, what is the area of the yellow region?

If AF=1 and AB=AC=7 in the given image then what would be the radius of grey circle?