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Question

In what ratio must a grocer mix two varieties of tea worth Rs 60 per kg and Rs 65 per kg so that by selling the mixture at Rs 68.20 a kg he may gain 10%?

A
3 : 2
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B
3 : 4
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C
3 : 5
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D
4 : 5
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Solution

The correct option is A 3 : 2
S.P of 1 Kg mixture=Rs.68.20
Profit=10%
Then C.P=100110×68.20=Rs.62
By the rule of allegation
C.P of 1 kg tea of Ist kind C.P of 1 kg tea of IInd kind
60 65
Mean Price
62
65-62=3 62-60=2
Required Ratio=3:2

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