3, 12, 40, ?, 381, 1150

3, 12, 40, ?, 381, 1150

3, 12, 40, ?, 381, 1150

a)            120

b)            80

c)            90

d)            125

e)            132

Sol:

3 * 3 + 3 = 12

12 * 3 + 4 = 40

40 * 3 + 5 = 125

125 * 3 + 6 = 381

381 * 3 + 7 = 1150

quantitative aptitude
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