Tag: math & puzzles

what is the meaning of the digit “9”

What is the meaning of the number “888” in CHINA

How many diameters does a circle of radius 10 cm have?

Which of these percentage increases is the greatest?

A cube measures y cm on a side. If the surface area of the cube is 294 square centimetres, what is y (correct to 2 decimal places)?

The length of a side of a square is equal to a length of a side of a heptagon. If the perimeter of the heptagon is 84 cm, what is the area of the square?

The length of a rectangle is (x + y) cm and the breadth is (x - y) cm. If y = 2t + 28, where t is the negative square root of 36, find the area of the rectangle.

A stick (1.12 * 10^0) metres long is divided into 3 parts between Anne, Carol and Ben in the ratio 1:3:4. Find the length of the part of the stick Ben receives.

Given that 2^x = 7, and 2^y = 38, find 2^(x + y).

A factory produces 10,000 litres of milk in a day. Determine the number of millilitres of milk produced by the factory in February 2000.