Question

100,150,450,1050---?what is the next number in the series

Answer 1

The missing number(?) is "1400".

Step-by-step explanation:

The given series are

100, 150, 450, 1050, ?

150 = 1 × 100  + 50 = 150

450 = 2 × 150  + 150 = 450

1050 = 2 × 450  + 150 = 1050

? = 1 × 1050  + 350 = 1400

Hence, the missing number(?) is "1400".