A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
3, 7, 16, 35, ?, 153

Options

A. 74
B. 78
C. 63
D. 84

Answer

A

Explanation

The series will be,
`3xx2 = 6`, 6+1 = 7
`7xx2 = 14`, 14+2 = 16
`16xx2 = 32`, 32+3 = 35
`35xx2 = 70`, 70+4 = 74
`74xx2 = 148`, 148+5 = 153
Hence, (a) is the correct option.