How Many litre of water must be added in 40 litre of milk cost Rs 10 per litre so that thr price of milk decrease to Rs 8 pet litre solution
A. 10
B. 5
C. 8
D. 7
Answer: Option A
Solution (By Examveda Team)
Cost of total milk = 40 *10 = 400.Now price become Rs. 8, let x water has to added. Then
8(x+ 40) = 400
8x = 400 - 320
x = 80/8 = 10 liter
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