50 % of 50 % of16 is:
8 % of a number is 216. ,What is the number?
The diameter of two spheres are in the ratio 1 : 2. What is the ratio between their volumes ?
If 3/4 of a number’s 1/3 part’s 4/5th part is 80, what is the number?
One hundred times of 100 is how many times of 500 ?
What is the difference between the smallest of a five digit number and the highest of a four digit number?
x + y = 48; x – y = 2. xy is:
If a side of a square is 10 metres, its area will be :
A can do a piece of work in 5 days, B in 10 days. How long will they take to do it together?
A water tank contains 2/5 part water. When 250 litres of water is taken out, there remains 3/20 part of water in the tank. What is the volume of the tank?
Side of a square is 4x. Its area is
Find x, if 25 : x = x : 4
The exponent in (2ab) -2.6 is
The length of a rectangle is 2 cms more than its width. If the perimeter is 36 cms., then the area is
If 21 cows eat equal to 15 oxen, how many cows will eat equal to 25 oxen?