4 5 12 39 160 ?
Answer : Option E
Explanation : The pattern is :
4 × 1 + 1 = 4 + 1 = 5
5 × 2 + 2 = 10 + 2 = 12
12 × 3 + 3 = 36 + 3 = 39
39 × 4 + 4 = 156 + 4 = 160
160 × 5 + 5 = 800 + 5 = 805
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4 5 12 39 160 ?
The pattern is :
4 × 1 + 1 = 4 + 1 = 5
5 × 2 + 2 = 10 + 2 = 12
12 × 3 + 3 = 36 + 3 = 39
39 × 4 + 4 = 156 + 4 = 160
160 × 5 + 5 = 800 + 5 = 805