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If 3/p=8 & 3/q=18 then p-q=?
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p=3/8 , q=3/18=>q=1/6
therefore
p-q=(3/8)-(1/6)=5/24
8 years ago
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GENPACT Other Question
Avg cost of 5 pens and 4 pencils isRs. 36.The avg cost of 5 pens and 9 pencils is Rs.56.Find the total cost of 25 pens and 25 pencils?
(1/5)^3+(3/5)^3+3(1/5)(3/5)(1/5+3/5)=?