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Maths Puzzle
5,9,16,28,48,__,__
Read Solution (Total 4)
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- Missing number = 81, 135
Final series = 5,9,16,28,48,81,135
(9+5) +2 = 16
(16+9) +3 = 28
(28+16)+4 = 48
(48+28)+5 = 81
(81+48)+6 = 135. - 12 years agoHelpfull: Yes(5) No(0)
- Missing number = 81, 135
Final series = 5,9,16,28,48,81,135 - 12 years agoHelpfull: Yes(3) No(2)
- 5,9,16,28,48,80,128 is the ans...
reason:diff of consequtive num X4
eg:9-5=4....4X4=16....
16-9=7.....7X4=28...etc... - 12 years agoHelpfull: Yes(2) No(3)
- x,y=80,128
sol:-
(9-5)*4=16
(16-9)*4=28
(28-16)*4=48
similarly,
(48-28)*4=80 and
(80-48)*4=128. - 12 years agoHelpfull: Yes(1) No(1)
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