In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.
2460, 3570, 4680, ?

The price of a pen, a book and a shirt are 56, 72, and 120 respectively. How much minimum rupees should a person take with him so that after purchasing either of articles in whole numbers he saves 20.

What will come in place of question mark(?) in the following number series?
119 , 131, 155, 191, 239, (?)

Direction : In the following question, select the correct answer from the given alternatives.
2, 8, 16, 128, ?

What will come in place of the question mark (?) in each of the following series?

17 52 158 477 ? 4310 

Find the missing number?
2, 12, 30, ?, 90, 132

What will be come in place of question mark(?) in the following number series?
3, 22, ? , 673, 2696, 8093

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.)