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

$$ 69,65,67,63, ?, 61 $$

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

$5,20,60,240,720$, ?

Select the figure that will replace the question mark (?) in the following figure series. Question Figure

Which number will replace the question mark (?) in the given series?

$ 47,51,55,63,87,? $