निम्नलिखित में से straight

827, 820, 806, 785, 757, ?

18, 10, 12, 21, ?, 120

24     12     ?     24   96     768

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

12, 13, 27, ?, 329, 1646

126 56 ? 12 10 2

√(10198 )× √(7220 )÷ 16.69 + 2010.375= ?

What value should come in the place of (?) in the following number series?

100, 115, ?, 190, 250, 325

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

81, 83, 87, 95, 111, ?

14 20 28 39 ? 74

What value should come in the place of (?) in the following number series?

?, 664, 706, 769, 853, 958