Question

Select the correct option that will fill in the blank and complete the series.

14, 21, 42, 105, 315, ?
1. 1202.5
2. 1302.5
3. 1002.5
4. 1102.5

Answer 1

Correct Answer - Option 4 : 1102.5

Given series: 14, 21, 42, 105, 315, ?

Pattern:

14 × 1.5 = 21

21 × 2 = 42

42 × 2.5 = 105 

105 × 3 = 315

315 × 3.5 = 1102.5

Hence, 1102.5 is correct.