BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

16 . If 7 workers can assemble a car in 8 hours, how long it would take 12 workers to assemble the same car? ..

A. $3 h o u r s$
B. $3 \frac{1}{2} h o u r s$
C. $4 \frac{2}{3} h o u r s$
D. $5 h o u r s$

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Answer: Option A

Explanation:

Uttara Bank PLC || Probationary Officer (09-11-2024) || 2024

17 . A rectangular sheet of paper, 10 cm long and 8 cm wide has squares of side 2 cm cut from each of its corner. The sheet is then folded to form a tray of depth 2cm. What is the volume of this tray? ..

A. $32 c m^{3}$
B. $48 c m^{3}$
C. $49 c m^{3}$
D. $54 c m^{3}$

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Answer: Option C

Explanation:

সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (10-11-2023) || 2023

18 . BDT 385 has been divided among D,E,F in such a way that D receives $\frac{2}{9}$ th of what E and F together receive. In this case D' share is- ..

A. 77
B. 85
C. 70
D. 8022

View Answer	Favorite Question

Answer: Option C

Explanation:

SBAC Bank PLC || Trainee Junior Officer (28-09-2024) ||

19 . Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D? ..

A. $10 \sqrt{20} k m$
B. $10 \sqrt{10} k m$
C. $20 \sqrt{10} k m$
D. $30 \sqrt{10} k m$

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Answer: Option B

Explanation:

সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (10-11-2023) || 2023

20 . Square ABCD is inscribed in a circle. whose radius is 4cm. Calculate the area of the square. ..

A. 16
B. 32
C. 48
D. None

View Answer	Favorite Question

Answer: Option B

Explanation:

সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (10-11-2023) || 2023

21 . $i f x = 10^{14}, y = 10^{0.7}$ and $x^{z} = y^{3}$ then is the value of $z$ ..

A. $0.5$
B. $0.66$
C. $1.5$
D. $2$

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Answer: Option C

Explanation:

Uttara Bank PLC || Probationary Officer (09-11-2024) || 2024

22 . In the figure, AD and BC are lines intersecting at O. What is the value of a? ..

A. 30
B. 40
C. 15
D. 60

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Answer: Option C

Explanation:

জনতা ব্যাংক || অফিসার (আরসি) (28-06-2024) || 2024

23 . Which number replaces the question mark? ..

A. 6
B. 9
C. 8
D. 12

View Answer	Favorite Question

Answer: Option A

Explanation:

সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || অফিসার (জেনারেল) (08-03-2024)

24 . The average length of the sides of ∆ABC is 12. What is the perimeter at ∆ABC? ..

A. 24
B. 36
C. 12
D. 18

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Answer: Option B

Explanation:

সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || অফিসার (জেনারেল) (08-03-2024)

25 . In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green? ..

A. $\frac{2}{3}$
B. $\frac{3}{4}$
C. $\frac{7}{19}$
D. $\frac{8}{21}$

View Answer	Favorite Question

Answer: Option D

Explanation:

সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || অফিসার (জেনারেল) (08-03-2024)

26 . Which number is appropriate in place of question mark? ..

A. 40
B. 42
C. 45
D. 50

View Answer	Favorite Question

Answer: Option B

Explanation:

জনতা ব্যাংক || অফিসার (আরসি) (28-06-2024) || 2024

27 . If a+b =8 and ab =12 then find the value of a2-b2 ..

A. 16
B. 32
C. 36
D. 49

View Answer	Favorite Question

Answer: Option B

Explanation:

G i v e n, a + b = 8, a b = 12 ∴ a^{2} - b^{2} = (a + b) (a - b) = 8 \times 4 = 32 ∴ a^{2} - b^{2} = 32 B u t w e k n o w, (a - b) = \sqrt{{(a + b)}^{2} - 4 a b} = \sqrt{64 - 48} = \sqrt{16} = 4

DESCO Recruitment Test 2022 | Sub Station Attendant | 17.09.2022

28 . If x+3=x+3, then what is the value of x? ..

A. 3
B. -3
D. $\sqrt{3}$

View Answer	Favorite Question

Answer: Option C

Explanation:

\sqrt{x + 3} = \sqrt{x} + \sqrt{3} \Rightarrow {(\sqrt{x + 3})}^{2} = {(\sqrt{x} + \sqrt{3})}^{2} [বর্গ করে] \Rightarrow x + 3 = {(\sqrt{x})}^{2} + 2 \sqrt{x} . \sqrt{3} + {(\sqrt{3})}^{2} \Rightarrow x + 3 - x - 3 = 2 \sqrt{x} . \sqrt{3} \Rightarrow 0^{2} = {(2 \sqrt{x} . \sqrt{3})}^{2} [বর্গ করে] \Rightarrow 0 = 4 . x . 3 \Rightarrow x = \frac{0}{12} \Rightarrow x = 0 Answer : 0

DESCO Recruitment Test 2022 | Sub Station Attendant | 17.09.2022

29 . What is the $13 t h$ term of the following sequence $- 3, - \frac{1}{2}, 2 . . . . ?$ নিচের অনুক্রমের ১৩তম পদটি কত? $- ৩, - \frac{১}{২}, ২ . . . . ?$ ..

A. 18
B. 22
C. 27
D. 28

View Answer	Favorite Question

Answer: Option C

Explanation:

Dutch Bangla Bank || Sales Manager (18-09-2024) || 2024

30 . a28a-8b+16+b2 এর সাথে কত যোগ করলে যোগফল একটি পূণবর্গ হবে? ..

A. 2ab
B. 8ab
C. 6ab
D. 4ab

View Answer	Favorite Question

Answer: Option A

Explanation:

a^{2} - 8 a - 8 b + 16 + 6^{2} = a^{2} + b^{2} + {(+ 4)}^{2} + 2 . a (- 4) + 2 . b (- 4) = a^{2} + b^{2} + {(- 4)}^{2} + 2 a b + 2 . a (- 4) + 2 . b (- 4) (A n s . 2 a b)

বিমান বাংলাদেশ এয়ারলাইন্স | ম্যাটেরিয়াল ম্যানেজমেন্ট অ্যাসিস্ট্যান্ট | 26-08-2022

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