A certain sum becomes Rs. 2,356 in 3 years and Rs. 2,660

230 192 172 ? 122 100

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

24, 36, 16, 46, 4, ?, -12 

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

29, 30, 33, ?, 69, 150

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

400, 841, 1202, ?, 1716, 1885

12, 13, 27, 82, 329, ?

Which of the following number will replace the question mark (?) and complete the given number series?

4, 5, 12, 39, 160, ?

4        9       28       99       ?      2105      12660

135, 148, ?, 184, 207, 236

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


16, ?, 480, 1920, 5760, 11520