3436 . The total surface area of a hemisphere of radius r is-

A. $4 {πr}^{2}$
B. ${πr}^{2}$
C. $2 {πr}^{2}$
D. $3 {πr}^{2}$

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Answer: Option A

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সমন্বিত ৭ ব্যাংক ও ১টি আর্থিক | সিনিয়র_অফিসার | 27-11-2021

A. 15
B. 20
C. 10
D. 22

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Answer: Option C

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জনতা ও রূপালী ব্যাংক- অফিসার ১৩.১২.২০১৯

A. 1.001
B. 1.011
C. 1.003
D. 1.111

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Answer: Option D

Explanation:

Hints: 1.000 + 0.100 + 0.010 + 0.001 = ( + ) 1.111

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3439 . The value of -3-(-10) is how much greater than the value of -10-(-3)?

A. 6
B. 7
C. 14
D. 26

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Answer: Option C

Explanation:

The value of - 3 - ( - 10) is greater than the value of - 10 - ( - 3) by = - 3 - ( - 10) - [ - 10 - ( - 3]

= - 3 + 10 + 10 - 3 = 14

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Bangladesh Bank - Officer(Cash) - 2011

B. 6
C. 14
D. 12

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Answer: Option D

Explanation:

- 4 - ( - 10) = - 4 + 10 = 6

- 10 - ( - 4) = - 10 + 4 = - 6

6 - ( - 6) = 6 + 6 = 12.

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Bangladesh Bank - Assistant Director - 2010

A. 0.1
B. .1
C. 0.01
D. 0.001

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Answer: Option C

Explanation:

0.1 × 0.1 = 0.01

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সমন্বিত ৪ ব্যাংক - সহকারী প্রোগ্রামার - 25.09.2020

A. 7
B. 91
C. 143
D. 169

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Answer: Option A

Explanation:

1001÷11 of 13

=> 1001÷ (11×13)

=> 1001÷143 = 7

Ans is 7

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Bangladesh Bank - Assistant Director - 2014

A. 3260
B. 3280
C. 3200
D. 3240

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Answer: Option D

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3444 . The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Tk.8748 its purchases price was--

A. 12000
B. 12500
C. 10000
D. 11370

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Answer: Option A

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3445 . The value of a machine is Tk.6250. Its value decreases by 10% during the first year, 20% during the second year and 30% during the third year. What will be the value of the machine after 3 years?

A. 2650
B. 3050
C. 3150
D. 3750

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Answer: Option C

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সমন্বিত ৭ ব্যাংক || অফিসার (ক্যাশ) (24-05-2024)

3446 . The value of cos $60 °$ is:

A. $1$
B. $\frac{1}{2}$
C. $\frac{\sqrt{3}}{2}$
D. $0$

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Answer: Option B

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সমন্বিত ৮ ব্যাংক ও ১ আর্থিক প্রতিষ্ঠান — অফিসার (জেনারেল) (04-07-2025) | 2025

A. 1
B. 2
C. -3
D. 3

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Answer: Option C

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Sonali Bank Ltd. Senior Officer Recruitment 01.06.2018

3448 . The value of $\lim_{x \to 0} \frac{\sin x}{x}$

A. $0$
B. $1$
C. Undefined
D. Infinity

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Answer: Option B

Explanation:

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সমন্বিত ৮ ব্যাংক ও ১ আর্থিক প্রতিষ্ঠান — অফিসার (জেনারেল) (04-07-2025) | 2025

A. 1000
B. 750.87
C. 947.10
D. 800

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Answer: Option A

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3450 . The value of p, for which the equation $x^{2} (p - 3) x + p = 0$ has real and equal roots is

A. $9$
B. $4$
C. $3$
D. $0$

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Answer: Option A

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সমন্বিত ৭ ব্যাংক || সিনিয়র অফিসার-05-11-2021 ||

3437 . The value of "A" varies in inverse proportion as the square of "B". If the value of "A" is equal to 40 , when "B" is equal to 12. What would be the value of "A" when "B" is equal to 24?

3438 . The value of (1+.1+.01+.001) is :

3439 . The value of -3-(-10) is how much greater than the value of -10-(-3)?

3440 . The value of -4-(-10) is how much greater than the value of -10-(-4) ?

3441 . The value of 0.1×0.1 is-

3442 . The value of 1001 ÷ 11 of 13 is :

3443 . The value of a machine depreciates 10% annually. If its present value is Tk.4000, its value 2 years hence will be--

3444 . The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Tk.8748 its purchases price was--

3445 . The value of a machine is Tk.6250. Its value decreases by 10% during the first year, 20% during the second year and 30% during the third year. What will be the value of the machine after 3 years?

3447 . the value of k,if(x-1) is a factor of 4X6^3+3X^2-4X+k, is-

3449 . The value of machine depreciates every four year at the rate of 10% on its value at the begining of that year if the present value of the machine is Tk.729 its worth 3 years ago was.

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