Question

%, then
4. Sudhir bought an almirah for 13600 and spent 400 on its transportation. He sold it for
* 16800. Find his gain per cent.
5. Ravi purchased an old house for 765000 and spent 115000 on its repairs. Then he sold
it at a gain of 5% How much did he get?
6. A vendor buys lemons at 25 per dozen and sells them at the rate of 5 for 12 Find his gain
or loss per cent.
Hint. Suppose he buys (12x5)=60 Lemons
7. The selling price of 12 pens is equal to the cost price of 15 pens. Find the gain per cent.
8. The selling price of 16 spoons is equal to the cost price of 15 spoons. Find the lose per cent.
9. Manoj purchased a video for 12000. He sold it to Rahul at a gain of 10%. I Rahul sells it to
Rakesh at a loss of 5%, what did Rakesh pay for it?
10. On selling a sofa-set for * 21600. a dealer gains 8%. For how much did he purchase it?
11. On selling a watch for 11400. a shopkeeper loses 5%. For how much did he purchase it?
12. On selling a calculator for 1325. a man gains 6%. For how much should he sell it to
gain 12%?
13. On selling a computer for 24480. a dealer loses 4%. For how much should he sell it to gain
4%?
14. A tricycle is sold at a gain of 15%. Had it been sold for 108 more, the profit would have
been 20% Find its cost price.
IS. Sandeep sold a television at a loss of 8%. If he had sold it for 3360 more, he would have
sained 6%. For how much did Sandeep buy it?
10. Pankaj sells two cycles for 2376 each. On one he gains 10% and on the other he loses 10%
Find his gain or loss per cent
of its cost price. Find the cost price
17. On selling an exhaust fam for 7350, a man gains
of the fan
18. Mohit sold a watch to Karim at a gain of 10% and Karim sold it to Rahim at a gaun of 4% Ir
Rahim pays ? 14300 for it, for how much did Mohit purchase it?
19. If the manufacturer ins 10%, the wholesale dealer 15%, and the retailer 25% then what is
the production cost of a washing machine whose retail price is? 379507​

Answer 1

Answer:

. If x = 2/3 and x = -3 are the roots of the equation ax? + 7x + b = 0, find the values of a

and b.