Direction: What value will come in place of the question mark (?) in the following question?

8, 17, 53, ?, 1079, 6479

Which of the following numbers will replace the question mark (?) in the given number series?
 458, 462, 446, 482, ?, 518

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

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

5, 6, 9, 15, ____?, 40

Which of the f ollowing numbers will replace the question mark (?) in the given series?
 15, 27, 12, ?, 9, 33

Identify the number that does NOT belong to the following series. 

49, 98, 196, 394, 784, 1568

Which of the following numbers will replace the question mark (?) in the given series?
 10, 20 , 23, ?, 97, 582

Study the given pattern carefully and select the number that can replace the question mark (?) in it.
 First row: 17, 26, 60
 Second row: 8, 15, 31
 Third row: 11, 19, ?
 (NOTE: Operations should be performed on the whole numbers, without breaking down the number into its constituent digits. For example, 13 – Operations on 13 such as adding/deleting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)