Percentage

1. There are 900 students in a school. 4% of them left the school and 50% of the remaining are girls. How many girls remained in the school?

• ক. 432
• খ. 450
• গ. 464
• ঘ. 448

2. 68% of the candidates in a recruitment test have passed the written part of it. The number is 14 less than what would have been in case 75% would have passed. What waas the number of candidates appeared?

• ক. 150
• খ. 189
• গ. 136
• ঘ. 145

3. The price of sugar increased by 10%. What % of consumption of sugar is to be reduced in order to keep the expenditure on sugar at the same level?

• ক. 10
• খ. 9
• গ. 9.09
• ঘ. 10.01

4. The price of a loaf of bread was increased by 20%. How many loaves can be purchased now by the amount of money used to buy 300 loaves at the earlier price?

• ক. 240
• খ. 250
• গ. 280
• ঘ. 320

5. There were twice as many girls as boys in a class. If 30% of the girls and 45% of the boys have already handed over their reports, what percent of the students have not yet done so?

• ক. 25
• খ. 35
• গ. 50
• ঘ. 65

6. After paying 10% tax on all income over Tk.3000, Rahim had a net income of tk.12000. Rahim's income before tax (in Tk) was--

• ক. 12900
• খ. 12300
• গ. 13300
• ঘ. 10300

7. Alm spent 20% of his income on taxes and 20% of the reminder on rent. What percent of his income he has spent on rent?

• ক. 12
• খ. 14
• গ. 16
• ঘ. 18

8. If income of Rahim is 25% more than that of Karim, Then income of Karim will be how much less than that of Rahim?

• ক. 10%
• খ. 15%
• গ. 20%
• ঘ. 25%

9. Price of a product is discounted by 20% and the reduced price is then discounted by 5%. The ultimate discount is:

• ক. 25%
• খ. 24%
• গ. 26%
• ঘ. 30%

10. A trader raised the price of his product by 10% and then he lowered the enhanced price by 10%. Compared to the latest price the first price has been--

• ক. lowered by 1%
• খ. kept equal
• গ. enhanced by 1%
• ঘ. enhanced by 4%

11. How much percent is 7.5 of 25?

• ক. 29%
• খ. 10%
• গ. 30%
• ঘ. 25%

12. An economist estimates that the cost of living will increased by 8.5% over the next three years. How much should a piece of candy cost in three years from now if it costs Tk.1.50 today?

• ক. Tk.12.75
• খ. Tk.0.1275
• গ. Tk.1.37
• ঘ. Tk.1.63

13. A rectangle is 14 cm long and 10 cm wide. If the length is reduced by x cms and its width is increased also x cms so as to make it a square, then its area changes by:

• ক. 4
• খ. 144
• গ. 12
• ঘ. 2

14. If prices fall 20%, what will be the price of an article which now costs Tk.20?

• ক. Tk.18
• খ. Tk.17
• গ. Tk.25
• ঘ. Tk.15

15. If the radious of a circle is increased by 6%, then the area of the circle is increased by--

• ক. 3.6%
• খ. 6%
• গ. 12.36%
• ঘ. 36%

16. Novera bought a ticket of a cricket match for Tk,25 and later sold the ticket to Nahid for Tk.75. What was the percent increased in the price of the ticket?

• ক. 50%
• খ. 100%
• গ. 300%
• ঘ. 200%

17. An ore contains 26% of copper. To get 91 kgs of copper the quantity of ore required is--

• ক. 350 kg
• খ. 240 kg
• গ. 350 kg
• ঘ. None of these

18. A mixture of 20 kg of sprit and water contains 10% water. How much water must be added to this mixture to rais the percentage of water to 25%?

• ক. 4
• খ. 5
• গ. 8
• ঘ. 30

19. 50% of the people in an area read Ittefaq and 60% of the people in that area read Prothom Alo. 20% people read both the newspapers. What percent of people do not read any of the newspapers?

• ক. 20
• খ. 10
• গ. 15
• ঘ. 25

20. When Mr. Sen imports some row materials he has to pay 7% import duty on the portion of the total value of the item in excess of Tk.1000. If the amount of import duty he paid was Tk.87.50 then what was the value of the raw material that he imported?

• ক. Tk.1250
• খ. Tk.2550
• গ. Tk.2500
• ঘ. Tk.2750

21. The charge of a room at Sheraton is 25% less than that of a room at Westin and 10% less than that of a room at Sonargoan. By what percent is the charge of a room at Westin is greater than that of Sonargaon?

• ক. 15%
• খ. 17%
• গ. 19%
• ঘ. 20%

22. If x% of 40 is y then 10x =?

• ক. 25y
• খ. 100y
• গ. 10y
• ঘ. 4y

23. If the price of a dress is Tk.200 that includes 15% VAT, then what is the amount of VAT?

• ক. Tk.30.00
• খ. Tk.26.09
• গ. Tk.32.09
• ঘ. Tk.31.85

24. A glass was filled with 10 liters of water and 0.01 liter of water evaporated every day during a 20-day period. What percent of the original amount of water evaporated during this period?

• ক. 20%
• খ. 22%
• গ. 2.2%
• ঘ. 2%

25. There are 200 students in a class. 76% passed in Bangla and 54% passed in English. If 10% of the students failed in both the subjects then how many of them passed in both subjects?

• ক. 30
• খ. 50
• গ. 40
• ঘ. 80