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Which of the following is power of 3 a) 2345 b) 9875 c) 6504 d) 9833
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- Answer is 6504
This is the only No. to be divisible by 3
- 13 years agoHelpfull: Yes(5) No(5)
- Divisible rule of 3 is that "add digit of number and divide the total sum by 3 and check it is divisible by 3 or not."
2+3+4+5=14 which is not divisible by 3
9+8+7+5=29 which is not divisible by 3
6+5+0+4=15 which is divisible by 3
9+8+3+3=25 which is not divisible by 3 - 10 years agoHelpfull: Yes(5) No(0)
- 3^1=3,3^2=9,3^3=27,3^4=81,3^5=243
That means number with last digits 3,9,7,1 can be divisible by 3.
9833 is the only number that is divisible by 3 - 10 years agoHelpfull: Yes(4) No(6)
- sorry for this silly typing mistake
9+8+3+3=23 which is not divisible by 3 - 10 years agoHelpfull: Yes(1) No(1)
- c
6+5+0+4=15
15/3=5
- 10 years agoHelpfull: Yes(0) No(1)
- no one... becoz the cycle of 3 is 3,9,1,7 means the numbers which are power of three must have amont of these four numbers..... but only 9833 have 3 at last position.... but 9833 is not devesible by 3....
- 10 years agoHelpfull: Yes(0) No(0)
- none is the answer because.......
3^1=3
3^2=9
3^3=27
3^4=81
3^5=243
3^6=729
3^7=2187
3^8=6561
3^9=19683
3^10=59049
so no answer....
please give the correct options... - 10 years agoHelpfull: Yes(0) No(0)
- ans:none of these
3^0=1
3^1=3
3^2=9
3^3=27.......
the unit digit for powers of 3 will be (1 or 3 or 9 or 7)
and the power also divisible by 3.
9833 has unit digit 3 but not divisible by 3 - 8 years agoHelpfull: Yes(0) No(0)
- Option C.6504
Because only this number is divisible by 3 - 8 years agoHelpfull: Yes(0) No(0)
- only 6504 is divisible by 3.
so ans is C. - 7 years agoHelpfull: Yes(0) No(0)
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