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2:4:8 : 10:20:40 :: 3:6:9 : ?...

2:4:8 : 10:20:40 :: 3:6:9 : ?

A

18 : 27: 54

B

5 : 10 : 17

C

6 : 24 : 56

D

15 : 30 : 45

Text Solution

Verified by Experts

The correct Answer is:
D
`2 xx 2 = 4` and `2 xx 4 = 8`
`10 xx 2 = 20` and `10 xx 4 = 40`
=`rArr``3 xx 2 = 6` and `3 xx 3` = 9
Therefore, `15 xx 2 = 30 "and" 15 xx 3 = 45`
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