For what value of 'n' will the remainder of 351^n and 352^n be the same when divided by 7?
a) 2
b) 3
c) 6
d) 4

• 351/7=> the remainder is 1.
  352/7=> the remainder is 2.
  
  By hit and trail (1), n = 3
  When 351^3/7, the remainder will be 1^3 = 1.
  When 352^3/7, the remainder will be 2^3 = 8
  As 8 is greater than 7, divide 8 again by 7, the new remainder is 1.
  As remainders are same n=3
• 10 years agoHelpfull: Yes(54) No(0)
• consider d unit place.
  1^3=1 nd 2^3=8 when both of them divided by 7 reminder is 1. so d ans is 3
• 10 years agoHelpfull: Yes(11) No(0)
• d ans might be either 6 or 3 check once who said frds who said 3
• 10 years agoHelpfull: Yes(3) No(6)
• by substituting value of n from 1,2,3 and so on and verifying it
  let us take n=3
  since in 351^3 1^3=1 is remainder
  and in 352^3 2^3 = 8 is remainder
  8 is again divisible by 7 and remainder is 1
  so n=3
  
• 10 years agoHelpfull: Yes(2) No(0)
• This can easily be solved using Hit-n-Trial method.
  ans: 3
• 10 years agoHelpfull: Yes(2) No(1)
• the remainder is 1 in case of 351 so 351^n will always be 1.
  and remainder in case of 352 is 2..so 2^3=8 which when divided by 7 gives remainder as 1..ANS is 3
• 10 years agoHelpfull: Yes(1) No(0)
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  http://www.flashsandy.org/topics/football
• 10 years agoHelpfull: Yes(1) No(1)
• when 351 divide by 7 gves rem=1 and i upon power antythng get 1 value.when divide by 7 gets rem 1.
  same process in,352/7. rem=2.and after go to options and put power 3 then get 8 and divided by 7 get values 1.so both rem equal and n is 3.................
  
• 10 years agoHelpfull: Yes(1) No(0)