1 . The amount of time that three secretaries worked on a special project are in the ratio of 1 to 2 to 5. If they worked a combined total of 112 hours, how many hours did the secretary, who worked the longest spend on the project?

• A. 80
• B. 70
• C. 56
• D. 16

Answer: Option B

Explanation:

2 . A man buys 20 pens and 10 books for Tk 400. He sells pens at a profit of 40% and books at a profit of 25%. If his overal profit was Tk. 112, the cost price of a book is (in Tk.)-

• A. 24
• B. 30
• C. 32
• D. 40

Answer: Option C

Explanation:

3 . When positive integer m is divided by positive integer n, the remainder is 6. If m/n = 112.15 what is the value of n?

• A. 15
• B. 20
• C. 40
• D. 25

Answer: Option C

Explanation:

4 . A man binds 112 books iin a day and his assistant work 1/4 as fast. How many days will it take them to bind 560 books, if each alone works on alternate days?

• A. 8
• B. 4
• C. 2
• D. 10

Answer: Option A

Explanation:

5 . চিত্র অনুসারে O কেন্দ্র বিশিষ্ট বৃত্তে  Δ A B C অন্তর্লিখিত। ∠ y = 112 ° হলে,  ∠ x = ?

• A. 68 °
• B. 34 °
• C. 45 °
• D. 39 °

Answer: Option B

Explanation:

6 . If 4a+4b+4c+4d=112, what is the average of a,b,c and d ?

• A. 28
• B. 4.5
• C. 4
• D. 13
• D. None of these

Answer: Option E

Explanation:

7 . A train 108 m long moving at a speed of 50 km/hr crosses a train 112 m long coming from opposite direction in 6 seconds. The speed of the second train is --

• A. 66 km/hr
• B. 54 km/hr
• C. 48 km/hr
• D. 82 km/hr

Answer: Option D

Explanation:

8 . 512,613,1124

• A. $\frac{5}{12}$
• B. $\frac{6}{13}$
• C. $\frac{11}{24}$
• D. $\frac{3}{8}$

Answer: Option B

Explanation:

9 . △ABC

• A. $68°$
• B. $45°$
• C. $34°$
• D. $39°$

Answer: Option C

Explanation:

10 . x2-10xy-112

• A. $\left(x-y\right)\left(x+11y\right)$
• B. $\left(x-11y\right)\left(x+y\right)$
• C. $\left(x+4y\right)\left(x-5y\right)$
• D. $\left(x+4y\right)\left(x-4y\right)$

Answer: Option B

Explanation:

11 . tan-112+tan-113=?

• A. $\frac{\mathrm{\pi }}{4}$
• B. $\frac{\mathrm{\pi }}{2}$
• C. $\frac{\mathrm{\pi }}{3}$
• D. $\mathrm{\pi }$

Answer: Option A

Explanation:

12 . Find out the wrong number in the series: 190, 166, 145, 128, 112, 100, 91

• A. 100
• B. 128
• C. 145
• D. 112

Answer: Option B

Explanation:

13 . How many cases do you need if you have to pack 112 pairs of shoes into cases that each hold 28 shoes ?

• A. 8
• B. 10
• C. 12
• D. 14

Answer: Option B

Explanation:

14 . 10112+100102=?

• A. ${\left(22\right)}_{10}$
• B. ${\left(29\right)}_{10}$
• C. ${\left(19\right)}_{10}$
• D. ${\left(27\right)}_{10}$

Answer: Option B

Explanation:

15 . sintan-112+cot-13

• A. $\frac{1}{\sqrt{2}}$
• B. $\frac{1}{\sqrt{3}}$
• C. $\frac{2}{\sqrt{2}}$
• D. $\frac{2}{\sqrt{3}}$

Answer: Option A

Explanation:

16 . cosec2tan-112-3sec2cot-13=?

• A. $15$
• B. $\frac{2}{9}$
• C. $1$
• D. $25$

Answer: Option C

Explanation:

17 . নিম্নের বিক্রিয়ার শূন্যস্থানে কি হবে?; M1226g+H12→N1124a+......

• A. α-particle
• B. β- particle
• C. γ- particle
• D.

Answer: Option A

Explanation: