Answers

2015-05-28T21:03:28+05:30
Let no. is X
hence X*-15/20 = -5/7
i.e. X = 5/7*20/15
X=100/105
X=20/21
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2015-05-29T15:22:26+05:30
(- 15 /20) * (-7/5)
= 21 / 20 (answer)
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