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Maths Puzzle
1 kgof rice costs as much as 1.25kg of wheat flour.Leela paid Rs. 12.60 for 2 kg of rice and 5 kg of wheat flour.Find the cost of 5 kg wheat flour.
Read Solution (Total 3)
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- let cost of 1kg of rice & flour is x & y respec.
acc. to question
x=1.25y
2x+5y=12.60
therefore, x=2.10,y=1.68
cost of 5 kg flour is=8.40 - 11 years agoHelpfull: Yes(2) No(0)
- cost of 5 kg wheat flower=8.40rs..
let rice cost=Rs x/kg and wheat flower=Rs y/kg
so, from question x=1.25y
and 2x+5y=12.60
so, 7.5y=12.60 ( putting x=1.25y)
so 5y=8.40 - 11 years agoHelpfull: Yes(1) No(0)
- 1kg rice = 1.25 kg wheat
2 kg rice = 2.5 kg wheat.
so, cost of 7.5 kg wheat = 12.60
cost of 1 kg wheat = 12.60/7.5
cost of 5 kg wheat = (12.60*5)/7.5
= 8.33 - 11 years agoHelpfull: Yes(0) No(0)
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