Officer (Freedom Fighter) 2019[MCQ] - lessonbd

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Officer (Freedom Fighter) 2019[MCQ]

21. A leading library charges c cents for the first week that a book is loaned and f cents for each day over one week. What is the cost for taking out a book for d days, where d is greater than 7 ?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. c+fd

2. cd

3. c+ f(d -7)

4. cd + f

Answer

22. Find the compound interest at the rate of 10% per annum for four years on the principal which in four years at the rate of 4% per annuin gives Tk. 1600 as simple interest.

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. Tk. 4641

2. Tk. 4732

3. Tk. 4321

4. Tk. 4899

Answer

23. A wheel rotates 10 times per minutes and moves 20m during each rotation. How many feet does the wheel move in 1 hour?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 10000

2. 20000

3. 18000

4. 12000

Answer

24. An amount of Tk. 366 is to be divided among P, Q, and R in such a manner that Q gets two-third as much as P and R together, and P may get half as much as Q and R together. What is the share of P?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 130

2. 122

3. 173

4. 146

Answer