The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs, EXCEPT one. Find that odd number pair.

Four clusters have been given out of which three are alike in some manner and one is different. Select the one that is different.

Options 

The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number pairs, EXCEPT one. Find that odd number pair.

Which of the following numbers will replace the question mark (?) in the given series?
 199, 211, 196, ?, 193, 217

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 12 * 24 * 4 * 2 * 60

Which letter-cluster will replace the question mark (?) to complete the given series?
 CZNM, FXOL, IVPK, ?, ORRI

A number has been denoted to each of the given letters. Select the option from the following four possible arrangements of these numbers that forms a meaningful word.
 E = 1, N = 2, T = 3, S = 4, T = 5, D = 6, U = 7

If A + B means that A is the brother of B, A × B means that A is the sister of B, A ÷ B means that A is the father of B then which of the following expression shows that P is the brother of R?