Which Indian cricketer is known as "Brown Bradman"?

In 1893 idealists from which country founded a short-lived settlement in Paraguay?

What are found in only two places in Africa: on Mt Kilimanjaro and Mt Kenya?

Which city hosted the 1972 Olympics?

When did Panama assume control of the Canal through its territory, begun in 1881 and opened to shipping in 1914?

As a first step to manufacturing steel,iron is extracted from ore by removing oxygen and combining it with what element?

Who was elected president of the southern states of the USA when they seceded from the Union in 1861?

Which English poet, dramatist, and art historian, a pioneer in the European study of Far Eastern painting wrote.........

What nationality is Ilie N?stase, World No. 1 tennis player in 1973/1974, who won more than 100 ATP professional........

What chemical element takes its name from the Roman name for Paris?

A circular sector with central angle equal to 120 as shown in figure. We want to place a square symmetrically in it as shown. If the radius of the circular sector is 100 units, what is the side length of the square ?

In the image below there are two tangent semicircles. The side length of the square is 36cm.

What is the length of the radius of the yellow circle?

A circular sector can be folded into a cone by joining its two radii. For a circular sector with a radius equal to 1, what is the maximum volume of the cone? If the circular sector has a central angle θ, what is the value of θ at the maximum volume?

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?

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

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