India’s population has been steadily increasing from 439 millions in 1961 to 1028 millions in 2001. Find the total increase in population from 1961 to 2001. Write the increase in population in Indian System of Numeration, using commas suitably.

Estimated sum of 7826 and 12469 rounded off to hundreds is 20, 000.

The largest 4-digit number, using any one digit twice, from digits 5, 9, 2 and 6 is

When rounded off to nearest thousands, the number 85642 is

By using dot (.) patterns, which of the following numbers can be arranged in all the three ways namely a line, a triangle and a rectangle?

Which of the following is not true?

The number 85764 rounded off to nearest hundreds is written as 85700.

The largest number which always divides the sum of any pair of consecutive odd numbers is

The product of successor and predecessor of 999 is

A whole number is added to 25 and the same number is subtracted from 25. The sum of the resulting numbers is

The product of a non-zero whole number and its successor is always