TEST YOURSELF with Answers

Test yourself

1.  If 3 men or 4 women can reap a field in 43 days, how long will 7 men and 5 women take to reap it?   ANS-12 DAYS

2. If 12 men and 16 boys can do a piece of work in 5 days and 13 men and 24 boys can do it in 4 days, how long will 7 men and 10 boys take to do it ? ANS-25/3 DAYS

3. I sold a book at a profit of 12 %. Had I sold it for Rs 18 more, 18% would have been gained. Find the cost price. ANS- 300 RS

4. The cost price of 10 articles is equal to the selling price of 9 articles. Find the profit percent. ANS-100/9 %

5. 9 kg of rice cost as much as 4 kg of sugar; 14 kg of sugar cost as much as 1.5 kg of tea; 2 kg of tea cost as much as 5 kg of coffee; find the cost of 11 kg of coffee, if 2.5 kg of rice cost Rs. 12.50. ANS-462      
shortcut method-  =     12.5*9*14*2*11 = 462
                                            2.5*4*1.5*5

6. By selling an article for Rs 19.50 a dealer makes a profit of 30%. By how much should he increase his selling price so as to make a profit of 40%?

7. A person saves 10% of his income. If his income increases by 20% and he decides to save 15 % of his income, by what percent has his saving increased?

ANS-80%

8. A man purchased two cows for RS. 500. He sells the first at 12%  loss and the second at 8% gain. In this bargain he neither gains nor loses. Find the selling price of each cow. ANS-176, 324

9. A horse worth Rs 9000 is sold by A to B at 10% loss. B sells the horse back to A at 10% gain. Who gain and who loses? Find also the values.                     ANS- A's loss 9% and B's gain 10%.

10.  A milkman buys some milk. If he sells it at Rs 5 a ltr, he loses Rs 200, but when he sells it at Rs 6 a litre, he gains Rs 150. How much milk did he  purchase? ANS-350 Litre

11. Each of the two horses is sold for Rs. 720. The First one is sold at 25% profit and the other one at 25% loss. What is the % loss or gain in this deal?  

ANS- 6.25 % 

shortcut         (% Value)2
                             100