3, 5, 12, 38, ?, 772

3, 5, 12, 38, ?, 772

3, 5, 12, 38, ?, 772

a) 142

b) 148

c) 154

d) 158

e) 160

Sol:

3 * 1 + 2 = 5

5 * 2 + 2 = 12

12 * 3 + 2 = 38

38 * 4 + 2 = 154

154 * 5 + 2 = 772

quantitative aptitude
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