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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?

1. A Tk.1250
2. B Tk.2500
3. C Tk.2550
4. D Tk.2750

If a man’s salary is 20% more than that of his son, how many percent is the son’s salary if compared to the salary of his father?

1. A 75
2. B 80
3. C 83
4. D 85

What is 30% of 11/45 of 150?

1. A 11
2. B 12
3. C 13
4. D None of these

In an examination there were 2000 candidates out of which 900 candidates were boys and rest were girls. If 32% of the boys and 38% of the girls passed. Then the total percentage of pailed candidates is--

1. A 35.3%
2. B 64.7%
3. C 70%
4. D 86.5%

An increase of Tk.60 in the monthly salary of Madan made it 50% of the monthly salary of Kamal. What is Madan's present monthly salary?

1. A 180
2. B 240
3. C 300
4. D cannot be calculated

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?

1. A 240
2. B 250
3. C 280
4. D 320

Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is--

1. A 4% decrease
2. B 4% increase
3. C 5% decrease
4. D No change

The current birth rate per thousand is 32, where as corresponding death rate is 11 per thousand. The net growth in terms of population increase in percent is given by--

1. A 0.0021%
2. B 0.021%
3. C 2.1%
4. D 21%

A manufacturer finds that 0.4% of his production is defected and unsuitable for marketing. How many to 1000 units produced will be rejected?

1. A 140
2. B 4
3. C 40
4. D 400

In an examination A got 10% marks less than B. B got 25% marks more than C and c got 20% less than D. If A got 360 marks out of 500, the percentage of marks obtained by D was--

1. A 70
2. B 75
3. C 80
4. D 85

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

1. A 12.36%
2. B 3.6%
3. C 36%
4. D 6%

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?

1. A 30
2. B 40
3. C 50
4. D 80