## Percentage and its Application

*Percentage and its Application*

*Solve the following equations:*

*1. Find :*

*(a)ratio of 8m to 16 Km.*

*(b) Speed of car which is 20m/sec to speed of our which is 72Km/hr.*

*2. Express as fraction :*

*(a) 4%*

*(b)56%*

*(c)0.08%*

*3. Convert the following ratios as percentage*

*0.004*

*4. 70% of students in a school are boys and the number of girls in the school is 504. Find the number of boys.*

*5. The enrolment in a school increases from 1200 to 1254. Determine the percent increase in student enrolment.*

*6. If 60% of students in a school are boys and total number of girls in the school is 460. Find the number of boys in the school.*

*7. The annual rate of growth of population of a certain city is 8%. If its present population is 196830, what was the population year ago.*

*8. Jasmine spends 40% of her salary on food, 25%on house rent, 15% on entertainment and 5% on conveyance. Her savings at the*

*end of the month is Rs. 1200. Find the salary per month.*

*9. A man buys an article for Rs. 240 and sells it for Rs. 288. Find his gain percent.*

*10. A radio purchased for Rs.1200 and sold for Rs.1080. Find the loss percent.*

*11. By selling mathematics book for Rs. 486 a publisher earns a profit of 35%. How much did it cost for the publisher.*

*12. By selling a silver necklace for Rs. 657 a jeweler loss 8 % for how much did he purchase it.*

*13. By selling 288 hens, A woman lost selling price of 12 hens. Find her loss%*

*14. Amal sells 2 laptop for Rs. 19550 each gaining 15% on one and losing 15% on the other find her gain or loss% in the whole transaction.*

*15. Nimra purchased two bags for Rs.750 each. She sold their bags gaining 6% on one bag and losing 4% on the other. Find her loss or gain% in the whole transaction.*

*16. Find CP (a)when SP=Rs 297.50 gain = 16%*

*(b)SP=Rs 34.40 gain = 7%*

*(c) SP=Rs 2431 loss = 6 %*

*17. Find SP when (a)CP= Rs.875 loss = 12%*

*(b)CP= RS 840 gain = 16%*

*18. Muzammil bought an iron safe for Rs. 5580 and paid Rs. 170 for transportation. Then he sold it for Rs. 6440. Find the gain percent.*

*19. CP of 12 candles is equal to SP of 15 candles. Find loss%*

*20. By selling 125 cassettes a man gains an amount equal to the SP of 5 cassettes find gain percent.*

*21. A grocer bought sugar worth Rs . 4500 . He sold of it at a gain of 10%. At which gain percent must be remaining sugar to be sold to have a gain of 12% on the whole.*

*22. Danish sold a watch to Girish at a gain of 12%and Girish had to sell it to Jeenish at a loss of 5% . If Jeenish paid Rs. 1330 for it how much did Danish pay for the watch.*

*23.The MP of a water cooler is Rs. 4650. The shopkeeper offers a discount of 18%. Find its SP.*

*24.The price of a sweater was slashed from Rs. 960 to Rs. 816 by a shopkeeper in the winter season. Find the rate of discount given by him.*

*25. Find M if(a)SP= Rs. 528 Discount is 12%*

*(b)Find SP if MP is RS. 1250 discount is 6%.***Read more topics .......**

formula-sheet

angles different-types-of-quadrilaterals

properties-of-parallel-lines

parallelograms properties

quadrilaterals

volume-and-area-of-cone-and-pyramid

understanding-quadrilaterals

profit-and-loss-questions

compound-interest

volumes-surface-and-area

percentage-and-its-application

properties-of-quadrilaterals

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