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AA is two digit number then m times its cube of AA has 1 in its tens place then what is m.
Read Solution (Total 3)
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- m=7
when AA=11
7*(11)^3= 7*1331= 9317 - 12 years agoHelpfull: Yes(3) No(3)
consider
AA=99
so its cube has unit's digit 9*9*9===>9
now let say m=9(bcoz 9*9=81 unit's digit we want 1)
so m=9 is one of the possible solution- 10 years agoHelpfull: Yes(1) No(2)
- any proof?
- 11 years agoHelpfull: Yes(0) No(0)
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