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Complete the series
3,14,39,155,399, __ ?

Read Solution (Total 2)

Ans 1565.

(155*10)+15 = 1565
9 years agoHelpfull: Yes(0) No(0)

alternate numbers ...
3*10+9=39 14*10+15=155
39*10+9=399 155*10+15=1565(ans)
9 years agoHelpfull: Yes(0) No(0)

UPSC Other Question

The ratio of land and water on the globe is 1:2 but in the northern hemisphere it is 2:3 The ratio in the southern hemisphere is
a)4:11 b)3:2 c)4:3 d)2:11 Complete the series....3,8,15,35,63,__,__ ?