বাংলাদেশ ব্যাংকের সহকারী পরিচালক

1. 10² is how many times of (0.01)³ ?

• ক. ${10}^5$
• খ. ${10}^6$
• গ. ${10}^7$
• ঘ. ${10}^8$

2. A passenger paid 50% customs duty on accompanied baggage items. He paid another 20% sales tax on the total value of the items plus the custom duty paid. The total custom duty and sales tax is Tk. 350. what is the value of the item custom duty and sales tax?

• ক. Tk.400
• খ. Tk. 450
• গ. Tk. 500
• ঘ. None these

3. An amount of money is invested in a savings account for two years. It increased by Tk. 52.50 in two years. after annual compounding at the rate of 10% per year. What is the amount invested initially?

• ক. Tk.400
• খ. Tk.300
• গ. TK. 250
• ঘ. Tk. 200

4. The angles of a triangle are in the proportion of 1:2:3 and the length of the smallest side is 1 c. what is the length of the longest side of the triangle?

• ক. 2 cm
• খ. 3 cm
• গ. 4 cm
• ঘ. 5 cm

5. A square room has a square carpet symmetrically placed in it. This leaves an uncovered area of 9 $mete{r}^2$. The area of the whole romm is 25 $mete{r}^2$ . What is the length of the one side the carpet?

• ক. 2 meter
• খ. 4 meter
• গ. 6 meter
• ঘ. 8 meter

6. A person's present age is two - fifth of the age of his mother. After 8 years. he will be one half of the age of his mother . What is the present age of the mother?

• ক. 30
• খ. 35
• গ. 40
• ঘ. 50

7. If x/y =1/3, then value of $(x^2+y^2)/(x^2-y^2)$ is-

• ক. -10/9
• খ. 5/4
• গ. -5/4
• ঘ. -5/3

8. If a:b=4:7 and b:c=5:6 than a:b:c=?

• ক. 8: 15: 12
• খ. 20: 35: 42
• গ. 20: 35: 24
• ঘ. None

9. On a 2 km road, a total of 201 tress are planed on the side of the road at equal distance. How many such trees will be planed on a50 k.m road such that the distance between two consecutive tress is the same as that of the consecutive trees on the 2k.m road?

• ক. 501
• খ. 5001
• গ. 5000
• ঘ. 1000

10. Mr. X had Tk. 1000 in his savings account. Every month in the first week he needs money, so he withdraws Tk. 500, but by the end of the month , he deposits Tk. 750. After how many months, the original amount will grow three times?

• ক. 6 months
• খ. 7 months
• গ. 8 months
• ঘ. 9 months

11. Two small circular parks of diameter 16 meter and 12 meter are to be replaced by a bigger circular park. What would be the radius of this new park, if the new park has to occupy the same space as the two small parks?

• ক. 20 meter
• খ. 15 meter
• গ. 10 meter
• ঘ. 100 meter

12. A student obtained 60, 75 and 85 marks respectively in 3 monthly examinations in physics and 95 marks in the final examination. The 3 monthly examinations are of equal weightage whereas the final examination is weighted . What is his average mark physics?

• ক. 82
• খ. 85
• গ. 79
• ঘ. 78.75

13. At a stationary shop, it costs Tk. 185 for 4 gel-pen, 8 ball -point pens and 1 marker pen and Tk. 315 for 7 gel-pens, 15 ball point pens and 1 marker pen. What would be the cost of 1 gel-pen, 1 ball -point pen and 1 marker pen?

• ক. Tk. 45
• খ. Tk. 55
• গ. Tk.60
• ঘ. Tk.70

14. The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly added. The first one is 18 greater than the actual number and the second number added is 13 instead of 33. Find the correct average-

• ক. 40.2
• খ. 40.4
• গ. 40.6
• ঘ. 40.8

15. In a certain population group, 57% of the people have characteristics, X and 63% have characteristics Y. If every person in the group has at lest what percent of the people have both X and Y?

• ক. 20%
• খ. 18%
• গ. 12%
• ঘ. 6%

16. M is older than N but younger than O. If m, n and o are the ages of M, N and O respectively, then which of the following is true?

• ক. mpan>
• খ. npan>
• গ. opan>
• ঘ. opan>

17. What is the smallest number of apples that can be distributed equally (without cutting any apple) among 6,10,14 and 18 boys?

• ক. 1260
• খ. 315
• গ. 360
• ঘ. 630

18. A merchant has 1000 kg of sugar, part of which he sells at 8% and the remaining at 18% profit. He gains 14% on the whole. Find the quantity of sugar that he sold at 18% profit.

• ক. 400kg
• খ. 560kg
• গ. 600kg
• ঘ. 640kg

19. If the numerator of a fraction is increased by 2 and the denominator by 1 it becomes 1. Again, if the numerator decreased by 4 and the denominator by 2 it becomes 1/2 Find the fraction.

• ক. 4/5
• খ. 5/6
• গ. 6/7
• ঘ. 7/8

20. The different between the length and breath of rectangle is 23 meter. If its perimeter is 206 meter, then, its area is-

• ক. 1520 sq meter
• খ. 2420 sq meter
• গ. 2480 sq meter
• ঘ. 2520 sq meter

21. Who was the first governor of Bangladesh Bank?

• ক. ANM Hamidullah
• খ. Md. Nurul Islam
• গ. Khorshed Alam
• ঘ. Shegufta Bakht Chowdhury

22. Which of the following ecosystem covers the largest area of the earth's surface?

• ক. Desert Ecosystem
• খ. Grassland Ecosystem
• গ. Mountain Ecodydtem
• ঘ. Marine Ecosystem

23. Which of the following is not the official language of the United Nations Organization?

• ক. Arabic
• খ. Chinese
• গ. Portuguese
• ঘ. Spanish

24. Which countries are separated by Mac Mohan Line?

• ক. Indian and Pakistan
• খ. China and Tibet
• গ. India and China
• ঘ. India and Bangladesh

25. Elizabeth II was the Queen of the United Kingdom and other Commonwealth realms from the year-

• ক. 1952
• খ. 1962
• গ. 1955
• ঘ. 1945