Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
97 : 2 :: 63 : ? :: 74 : 3 

Select the option which is related to the third number in the same way as the second number is related to the first number.
  583 : 293 : : 488 : ?

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

23                32          16

3                 4              5

72              132         ?

Find the missing number in the following series?
3, 5, 5, 19, 7, 41, 9, ?

Which of the following numbers will replace the question mark (?) in the given series?

1, 3, 6, 18, 36, 108,?

Identify the number that does NOT belong to the following series.
147, 293, 587, 1173, 2346, 4693

Which of the following numbers will replace the question mark (?) in the given series?
 286, 303, 320, 371, 422, 507,?

In the following question, select the missing number from the given series.
111, 222, 444, ?, 1776, 3552