If the total surface area of a sphere of radius r cm is equal to the total surface area of a cube of side s cm, which of the following is true?

The value of $${1.6×1.6×1.6−1.6×1.6×1.6}\over 1.6×1.6+1.6×1.6+1.6×1.6 $$ is

In △ABC, D and E are the mid points of sides BC and AC, respectively. If AD = 10.8 cm, BE = 14.4 cm and AD and BE intersect at G at a right angle, then the area (in cm²) of △ABC is:

A company offers three types of successive discounts: (i) 25% and 15%, (ii) 30% and 10%, (iii) 35% and 5%. Which offer is the best for a customer?

The LCM of two numbers is 1920 and their HCF is 16. If one of the numbers is 128, find the other number.

The ratio of spirit and water in two mixtures of 20 litres and 36 litres is 3:7 and 7:5 respectively. Both the mixtures are mixed together. Now the ratio of the spirit and water in the new mixture is 

What is the product of (x + a) and (x + b)?

Direction: The line chart given below shows number of labourers (men and women) working in six different years. Study the data carefully and answer the following questions. 

The total number of Men working in all six years is how much more/less than total number of  Women working in all six years together?