1. Arrange the numbers -5 + S, 3(-+). -15 = 5, 1- 5 - 71,- 7 - 3 * (-2) and
--+(-2) in descending order.
2. Write a pair of integers whose product is – 12 and there lies seven integers between
them.
3. A shopkeeper earns a profit of *2 by selling a pen and incurs a loss of 50 paise per
pencil and loss of 15 paise per eraser while selling pencils and erasers of old stock. On
a particular day, he earns a profit of 10. If he sold 10 pens and the number of pencils
and erasers he sold are in the ratio 7:10, then find the number of pencils and erasers
he sold on that day.
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Answer:
75
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