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7, 5, 9, 12, 18, 36, 47, 72, _?
Read Solution (Total 8)
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- the questn is wrong,the actual sequence is
7 5 9 12 18 26 36 47 72,
1st series 7 9 18 36 72
2nd series is 5 12 26 47
12-5=7
26-12=14
47-26=21
so the next term in dis series will be 28+27=75 - 10 years agoHelpfull: Yes(8) No(1)
- Well guy's i can't see 26 in the question :p
- 10 years agoHelpfull: Yes(7) No(0)
- I can't understand that how you people are assuming 26 in your series...
- 10 years agoHelpfull: Yes(5) No(0)
- 75
Let 1st series 5,12,26,47,_
2nd series 9,18,36,72
In 1st series, difference between the two consecutive numbers is multiples of 7
12-5=7
26-12=14
47-26=21
next difference will be 28,
next num is=47+28=75
Finaaly, it like 5,9,12,18,26,36,47,72,75. - 10 years agoHelpfull: Yes(4) No(1)
- 75
Let 1st series 5,12,26,47,_
2nd series 9,18,36,72
In 1st series, difference between the two consecutive numbers is multiples of 7
12-5=7
26-12=14
47-26=21
next difference will be 28,
next num is=47+28=75
Finally, it like 5,9,12,18,26,36,47,72,75. - 10 years agoHelpfull: Yes(2) No(0)
- d ans is 75 .........................5, 9, 12, 18, 26, 36, 47, 72, _?
it is 5 ...... 12....... 26......... 47
12= 5+7
26= 12+2×7
47=26+3×7
Next is 47+4×7=75
and 9, 18, 36, 72 hence next 144
Therefore 5, 9, 12, 18, 26, 36, 47, 72, 75, 144 - 10 years agoHelpfull: Yes(1) No(0)
- 75=ans
7*4+47=75 - 10 years agoHelpfull: Yes(1) No(0)
- seriese mistake......
- 10 years agoHelpfull: Yes(0) No(0)
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