a merchant brought 15 dozens pens at Rs 10 per dozen . he sold them at Rs 1.50 each . find his profit or loss
in an examination ,80% of the candidates passed and 50 candidates failed . how many candidates appeared
a dealer bought 100 bats for Rs 40 each . he sells 20 of them at a gain of 5%. at what gain % must he sell the remainder so as to gain 20% on the whole
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check the 3 images for the answers of the sums as well as their working.
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