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If 3/20 = 1/10+1/20

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October 3, 2014 by Rajshree goel 6 Comments

Number Puzzle #121

Number-puzzle-121

Number Puzzle #121

If 3/20=1/10+1/20

3/5=1/5+1/5+1/5

Then, 7/10=????

Click here to See Answer with explanationHide
Ans.7/10=1/5+1/2
How?
Trick is to make dividend as 1. so we should try to write 7/10 as 1/x + 1/y + 1/z …..

we can easily see that x = 5, y = 2 will be enough.

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Filed Under: Number Puzzles

Comments

  1. davud says

    November 12, 2014 at 7:37 pm

    1/5+1/5+1/5+1/10=7/10

    Reply
  2. pramod says

    October 9, 2014 at 11:24 pm

    1/2+1/10+1/10

    Reply
  3. gopalindians says

    October 5, 2014 at 10:51 pm

    Simple one

    (1/2+1/5)=7/10

    Reply
  4. Pooja says

    October 5, 2014 at 2:33 pm

    1/5+1/5+1/5+1/10 = (2+2+2+1)/10 =7/10

    Reply
    • uday das chowdhury says

      October 6, 2014 at 8:59 am

      3/5 + 1/10=7/10

      Reply
  5. Charls Jacob says

    October 3, 2014 at 2:36 pm

    1/5+1/2= (1*2)+(1*5)/5*2 = 7/10

    Reply

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