Choose the correct alternative from the given ones that will complete the series.
`A/4,D/9,H/(15),M/(22)`

Options

A. `R/(30)`
B. `S/(30)`
C. `Q/(31)`
D. `Q/(30)`

Answer

B

Explanation

`A/4{:(overset(+3)(rarr)),(underset(+5)(rarr)):}D/9{:(overset(+4)(rarr)),(underset(+6)(rarr)):}H/15{:(overset(+5)(rarr)),(underset(+7)(rarr)):}M/22{:(overset(+6)(rarr)),(underset(+8)(rarr)):}S/30`