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Maths Puzzle
3,10,20,27,54,61,_?
A)122
B)71
c)68
d)94
Read Solution (Total 4)
-
- 1) 3+7=10,
2)10*2=20,
3)20+7=27,
4)27*2=54,
5)54+7=61,
6)ans 61*2=122 - 11 years agoHelpfull: Yes(5) No(0)
- take alternate nos.
3(1st term) + 17 = 20(3rd term)
10(2nd term)+ 17 = 27(4th term)
20(3rd term)+ 17*2 = 54(5th term)
27(4th term)+ 17*2 = 61(6th term) - 11 years agoHelpfull: Yes(2) No(2)
- 10-20
27-54
61-122
so 122.. - 11 years agoHelpfull: Yes(1) No(1)
- Answer is 122
10*2=20
(10+20)-3=27
27*2=54
(27+54)-20=61
therefore, 61*2=122 - 11 years agoHelpfull: Yes(1) No(0)
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