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3, 5, 15, x, 51, 53,159, 161
Read Solution (Total 6)
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- 15 and x are related as 15+2=17( see next two )
51 and 53 are related as 51+2=53
159 and 161 are related as 159+2=161
so x=17 - 13 years agoHelpfull: Yes(4) No(0)
- 159-161=2
53-51=2
x-15=2
x=17 - 13 years agoHelpfull: Yes(2) No(2)
- ANSWER : 15
SOLUTION :
51+2=53
159+2=161
So,
15+2=17 - 13 years agoHelpfull: Yes(2) No(1)
- 17
161-159=2,53-51=2.so,diff s 2.we get 15+2=17
- 13 years agoHelpfull: Yes(1) No(0)
- 17 because the even position are the thrice of d previous number and the odd position (starting from 3rd position) are two more than d prev one
- 13 years agoHelpfull: Yes(0) No(0)
- 3*5=15
15+2=17
17*3=51
51+2=53
53*3=159
159=2=161 - 13 years agoHelpfull: Yes(0) No(0)
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