Which Indian cricketer is known as "Brown Bradman"?

Harold I of England was nicknamed "Harold … " what?

In 2001, American Dennis Tito was the first person to do what?

What was the occupation of John Spilsbury of London, England, who is credited with inventing jigsaw puzzle around 1760?

What does the record industry term "A & R" stand for?

What peace treaty, signed on 28 June 1919, officially ended the state of war between Germany and the Allied.............

If someone is narcoleptic, what do they tend to do?

The island of Tasmania is governed by which country?

Extended Access Barring is for connected mode or Idle mode

What would a beautician use an emery board for?

If in each square, the blue and red areas are equal then find out the ratio of radius between big and small circle?

2 times

If side of square is a and radius of bigger circle R, smaller circle - r, then a^2/2=pi*r^2=pi*R^2/4 => R=2r

If blue rectangle area is equal to the sum of 3 squares areas combined as in image, what is relation between a,b,c & d?

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

A circle contains 4 identical squares, as shown below. If each square has a side length equal to 2, what is the radius of the 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?

There are 10 squares that are constructed as shown in the diagram. Find the difference between blue and red angle in degrees.