Who is credited with coining the term

'A + B' का अर्थ है 'A, B का भाई है'

'A – B' का अर्थ है 'A, B की माँ है'

Which figure should replace the question mark (?) if the following series were to be continued?

Choose the next number in the series.

25, 41, 73, 89, 121,?

Select the figure that will come next in the following figure series.

Three of the following four figures are alike in a certain way and one is different. Select the odd one.

K is 40 m south-west of L. M is 40 m south-east of L. Then K is in which direction of M?

In the following question, select the missing number from the given series.

11, 17, 23, ?, 35

Select the option that represents the letters which, when sequentially placed from left to right in the blanks below, will complete the letter series.