Which is the greatest three digit number?

Complete the series: 2, 5, 11, 23, 47:

What is the value of:

What part of an hour is five seconds?

How many days are there from 15th January, 2001 to 15th May 2001, both days including ?

What is the rational form of 0.031?

2/8 ÷5/8 = .........

Convert 16 2/3 % into a fraction:

If A : B = 3 : 2 ; B : C = 4 : 5, what is A : B : C ?

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?