Q. Let n be divided by 5,and the remainder obtained is 4. What will be the remainder when 5 divided by 2n?

Option
a)2
b)4
c)1
d)3

• i think the answer is 5.
  when n is divided by 5, let the quotient be q. then n = 5q + 4.
  
  in the second part of the question the asked the remainder when 5 is divided by 2n..
  that means 5/2n..
  5/2n = 5/(10q + 8).
  when 5 is divided by (10q + 8) then the remainder is 5 because the denominator is more than numerator so when 5 is divided by a number more than 5 the remainder is 5
• 11 years agoHelpfull: Yes(24) No(8)
• n=5*x+4
  so, 2*(n)/5=(10*x+8)/5
  10*x divided by 5
  when 8 divided by 5 then remainder is 3.
  so answer is (d)3.
• 11 years agoHelpfull: Yes(17) No(6)
• i guess the last part of the question needs to be reversed.
  n=5k+4
  so,2n=10k+8=5(2k+1)+3
  therefore when 2n is divided 5 leaves 3 as remainder.
• 11 years agoHelpfull: Yes(10) No(1)
• here n=5k+4
  multiplying both sides by 2,
  2n=2(5k+4)
  =10k+8
  =10k+5+3
  =5(2k+1)+3
  so here remainder is 3
• 11 years agoHelpfull: Yes(10) No(1)
• Thanku sindhu..but then the question was this itself..am sure..i couldnt solve it..may b a mistake wit the qn..
• 11 years agoHelpfull: Yes(1) No(0)
• n is divided by 5.let the quotient be x.remainder is 4.
  then n=5x+4.
  2n=10x+8
  =(10x+5)+3
  10x+5 is divisible by 5. hence remainder is 3.
• 11 years agoHelpfull: Yes(1) No(0)
• 3 if n=9 we get remainder as4.. similarly we 2n=18. it is divided by 5 we get 3..
• 11 years agoHelpfull: Yes(1) No(0)
• n=5*x+4
  2n=2*5*x+2*4
  2n=10*x+8
  2n=5(2*x+1)+3
  so the reminder is 3.
• 11 years agoHelpfull: Yes(1) No(0)
• acc. to the question n/5=5*x=4
  so n=25x+20
  now divide 5/2n=>5/2(25x+20)
  =>5/50x+40
  =>5/5(10x+8)
  =>1/(10x+8)
  so 1/8 then the remainder is 1
  
• 11 years agoHelpfull: Yes(1) No(2)
• let us n=9 divides by 5 gives 4 as remainder
  when 2n=18 divides by 5 gives 3 as remainder
  so answ is 3
• 11 years agoHelpfull: Yes(1) No(0)
• ans is 3...optio d
  
• 11 years agoHelpfull: Yes(1) No(0)
• 3.................
• 11 years agoHelpfull: Yes(1) No(0)
• not getting question is it right?
• 11 years agoHelpfull: Yes(1) No(0)
• atleast write the questions correctly...!!!! it makes a lot of confusion..
• 10 years agoHelpfull: Yes(1) No(0)
• let n=24 so it leaves remainder 4 when divided by 5
  then 2n=48 when 48 divided by 5 it leaves remainder 3
  any other examples which leaves 4 as remainder are accepted
• 11 years agoHelpfull: Yes(0) No(0)
• say n=9
  then
  2*9=18/5
  remainder is 3
  so my ans is 3
• 11 years agoHelpfull: Yes(0) No(1)
• Could any body send me the Previous papers of tech mahindra please.. My email ID is bhargawz228@gmail.com
• 11 years agoHelpfull: Yes(0) No(3)
• let n=29 so it leaves remainder 4 when divided by 5
  then 2n=58 when 58 divided by 5 it leaves remainder 3
  any other examples which leaves 4 as remainder are accepted
• 11 years agoHelpfull: Yes(0) No(0)
• Is this a dummy question?. I guess this question is wrong.when 5 is diveided by 2n , we get the remainder 5. please friends solve this and make it clear.
• 11 years agoHelpfull: Yes(0) No(0)
• here n=5x+4
  2n=10x+8/5
  if we divide 8 by 5 the remainder is 3 ans
• 11 years agoHelpfull: Yes(0) No(0)
• lets take n=24 as example if 24 is divided by 5 it leaves 4 as remainder....
  then 2n=2*24=> 48 it leaves 3 as remainder so ANS is 3
• 11 years agoHelpfull: Yes(0) No(0)
• n=5*x+4
  2n=2*5*x+2*4
  2n=10*x+8
  2n=5(2*x+1)+3
  so the reminder is 3.
• 11 years agoHelpfull: Yes(0) No(1)
• the no is of the pattern 5x+4=n
  2n= 10x+8
  =10x+5+3
  =5(2x+1) +3
  hence the remainder is 3
• 9 years agoHelpfull: Yes(0) No(0)