a shopkeeper buys 350kg of apples at rupees 5.60 per kg and he sells one half of it at 7rupees per kg at what rate must he sell the remaining apples so as to gain rupees 350 on the whole?
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CP of the first variety of wheat = Rs
CP of second variety of wheat = Rs
Total CP = Rs (250 + 210)
= Rs 460
Total amount of wheat = (40 + 30) kg
= 70 kg
∴ Rate per kg = Rs
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