Two cylinders of equal volume have heights in the ratio 1: 9. The ratio of their radii is_______

A rectangular park of length 70 m and breadth 50 m in a locality. Two crossroads perpendicular to each other of width 6 m needs to be constructed in between the park for walking. Find the area of Crossroads.

The dimensions of a rectangular field are 8 m and 6 m. Find the length of its diagonal.

In the five digit number 13ab4, a is the greatest single digit perfect cube and a is greater four times of b. then find the sum of the number and its cube root is________.

The petrol consumption of a car is 15 kilometres per liter. After a service the car does 7% more kilometres per liter . What is the new consumption?

ABCD is a given rectangle with length as 90 cm and breadth as 80 cm. P, Q, R, S are the mid-points of sides AB, BC, CD, DA, respectively. A circular rangoli of diameter 20 cm is drawn at the centre as shown in the given figure. Find the area of shaded portion.

The area of four walls of a room is 420 Square meter. If length of the room is double the breadth of the room and wall is 5 m high, Find length and breadth of the room?

A man whose income is Rs. 40,000 spends Rs. 12,000 on rent. What percentage of his income is spent on rent?

What is the area of the rhombus ABCD below, if AC = 12 cm and BE = 8 cm?

The floor of a room is 18 m by 12 m which is to be paved with square tiles of size 12cm x 12cm. Find the number of tiles required to pave the floor.

Find the number of plants in each row, if 3136 plants are arranged, so that number of plants in a row is the same as the number of rows.