Which Indian cricketer is known as "Brown Bradman"?

Wealthy Quaker Richard Tapper Cadbury, a linen and silk draper, had a son John who founded a business in what?

The Lufra River and then the Lualaba River into which it flows are major headwaters (by volume) of the Congo............

In 300 BC, the country now known as Spain was part of which empire?

In what country were measures announced on 22 April 2010 by the Prime Minister to cut consumption of power?

Which compound on the surface of Mars makes it appear red?

Which lake, the largest in Central Europe, is sometimes referred to as the "Hungarian Sea"?

Racing what animal, other than a horse, is a popular sport in, for example, the USA, the UK and parts of Africa.........

What is involved in a course Camarguaise, or course libre?

Curcumin is the main active ingredient in what spice?

In a unit square, two quarter circles are drawn, centered at two opposite vertices, What is the area of the oval-shaped region?

The oval shaped area is = 1 - ( 1- pi/4) 2 or .5708

7 non-overlapping unit circles are inscribed inside a large circle as shown below. Find the area of the shaded region?

Three circles of unit radius and touching each other. What is max possible area of blue circle as shown in image? And what about red circles?

In a square with a side length of 1, two quarter circles are drawn and a circle is inscribed between the quarter circles, as shown in the diagram. What is the radius of the inscribed circle?

Two circles are drawn inside a square with side length 2 + SQRT(2) as shown in the figure. Let the radius of the larger circle be R and the radius of the smaller circle be r . Find the value of R + r

Two congruent circles of radius 5 cm are drawn in such a way that one is 1 cm below the other . Find the area of red coloured region?