A magic square –

What would be the right number in the square marked "A"?

A magic square –

In the magic square, what is the magic number?

The sum of the 1" three odd integers is-
i. square number
ii. odd number
iii. Prime number
Which one of the following is correct?

Find the next two numbers of the following numerical patterns
7, 12, 17, 22, 27...

In the formation of magic square of order 3 -
i. The magic number will be 15
ii. At the centre, the number in the small square will be 5
iii. In the small squares the integers 1-15 are set.
Which one of the following is correct?

Which one of the following terms will be divisible by 9?

In which algebraic expressions 9999 is the 100^th term?

How many integers from 1 to 100 can be expressed as the sum of squares of two natural numbers.

What is the sum of 'A' numbered series of normal odd numbers?

Find the difference between two consecutive numbers of the following numerical patterns
7, 12, 17, 22, 27, ...