Which of the following n umbers will replace the question mark (?) in the given series?
 78, 112, 64, ?, 50, 140 

Direction (66-70): What should come in place of the question mark(?) in the following number series?

125, 80 , 45, 20, ?

Find the value of p, when p= ( 5÷ 6 ) of 54 - 40 + 10 - 41 - 22

Select the number from among the given options that can replace the question mark (?) in the following series.
728, 717, 695, 662, 618, ?

If 16 : X :: X: 196, find the positive value of x?

Which of the following numbers will replace the question mark (?) in the given series?

5103, 1701, 567, ?, 63, 21

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

1, ?, 3, 15, 105, 945

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

14, 15, 31, 94, 377, ?