What number would come in the place of question mark ? (Figure: a six-pointed star. Top point 7, upper-right 18, lower-right 40, bottom ?, lower-left 172, upper-left 348.)

What should come in place of question mark (?) in the following number series? 132 156 ? 210 240 272

Find the number which should come in place of the question mark (?): Column 1: 7, 16, 23 Column 2: 4, 10, 14 Column 3: 8, ?, 26

What comes in place of question mark (?) in the following number series? 4, 12, 36, 108, 324, ?

Which number will come in the place of question mark? 9, 25, 49, ?, 121

Which number will come in the place of question mark? 143, 275, 495, ?