2941 . The smallest 6-digit number exactly divisible by 111 is

A. 111111
B. 110011
C. 100011
D. 110101

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Answer: Option C

Explanation:

The smallest 6 - digit number is 100000
On dividing 100000 by 111, we get 100 as remainder.
So, the number to be added = (111 - 100) = 11
Hence, the required number = 100011

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Bangladesh Bank - Assistant Director - 2016

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2942 . The 20"-diameter wheels of a car rotates at rate of 24 revolutions per minute, while the 30"-diameter wheels of another car travels at a rate of 18 revolutions per minute. What is the ratio of the speed of the second car to that of the first?

A. 4 : 3
B. 6 : 5
C. 9 : 8
D. 1 : 1

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Answer: Option C

Explanation:

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2943 . The addition of 10 digits is 462. The average of their first four digits is 52 and the average of last 5 digits is 38. What is the fifth digit?

A. 64
B. 60
C. 50
D. 62

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Answer: Option A

Explanation:

Sum of 10 integer is 462. The average of first 4 number is 52 and the average of last 5 number is 38. What is the fifth number ?

Sum of first 4 number = 4 X 52 = 208
Sum of last 5 number = 5 X 38 = 190
So, sum of 9 number = (208 + 190) = 398

So, the 5th number = (462 - 398) = 64 (Ans:)

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2944 . The age of 6 boys of a team led by Karim is 8.5 and if Karim is dropped the average age of the remaining boys will be 7.2. What is the age of Karim?

A. 7.8
B. 10.8
C. 12.6
D. 15

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Answer: Option D

Explanation:

মেঘ এর প্রতিশব্দ - কাদম্বিনী, জলধর, জীমৃত, বারিদ, নীরদ, পয়োদ, ঘন, অম্বুদ, তায়দ, পয়োধর, বলাহক, তোয়ধর।

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2945 . The ages of Sabiha and Suriya are in the ratio of 7: 3 respectively. After 6 years, the ratio of their ages will be 5:3. What is the difference in their ages?

A. 6 years
B. 8 years
C. 10 years
D. 12 years

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Answer: Option B

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Janata Bank PLC || Officer (Rural Credit) (27-10-2023) || 2023

A. 20
B. 10
C. 30
D. none of these

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Answer: Option C

Explanation:

ধরি, বড় ব্যক্তির বয়স বছর
∴
ছোট ,, ,, (x –16) ,,
According to Question :
(x – 6) = 3(x – 16 – 6)
⇒
x – 6 = 3x – 66
⇒
3x – x = 66 – 6
⇒
2x = 60
∴
x = 30

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2947 . The angels of a triangle are in the ratio 2:3:4. What is the value of the largest angle in the triangle ?

A. 90
B. 80
C. 60
D. 180

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Answer: Option B

Explanation:

Total portion=2+3+4=8

So, 1 portion is=190/8=20

So, the largest angle=20×4=80

(ans).

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2948 . The angle between the minute hand and the hour hand of a clock when the time is 8.30, is :

A. 80 degree
B. 75 degree
C. 60 degree
D. 105 degree

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Answer: Option B

Explanation:

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2949 . The angle between the minute hand and the hour hand of the clock when the time is 4.20 is:

A. 0°
B. 10°
C. 5°
D. 20°

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Answer: Option B

Explanation:

At 4:20, the minute hand is on the 4, and the hour hand is 20/60 = 1/3 of the way from the 4 to the 5. Since the numbers on the clock are 360/12 = 30 degrees apart, the smallest positive angle between the hands at 4:20 is 30(4 1/3 - 4) = 30(1/3) = 10 degrees.

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2950 . The angle measure of the base angles of an isosceles triangle are represented by x and the vertex angle is 3x + 10. Find the measure of base angle.

A. 112°
B. 42.5°
C. 34°
D. 16°

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Answer: Option C

Explanation:

Here,

X+X+3X+10= 180 ( Isosceles Means= সমদ্বি)

or, 5X= 170

or, X= 170/5= 34

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সহকারী পরিচালক(AD) -12.11.2021

A. 2.3 m
B. 9.2 m
C. 4.6 m
D. 7.8 m

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Answer: Option B

Explanation:

Let AB be the wall and BC be the ladder.
Height and Distance mcq solution image
Then, ∠ACB = 60° = AC = 4.6m
ACBC = cos60∘ = 12
⇒ BC = 2 × AC = 2 × 4.6 = 9.2m

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সমন্বিত পাঁচ ব্যাংক || অফিসার ক্যাশ - 06.11.2021

2952 . The area of a circle is $36 π c m^{2}$ the circumference is equal to

A. $6 π c m$
B. $18 π c m$
C. $12 \sqrt{π c m}$
D. $12 π c m$

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Answer: Option D

Explanation:

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সমন্বিত ৮টি ব্যাংক ও ১টি আর্থিক প্রতিষ্ঠান - সিনিয়র অফিসার (16-05-2025)

2953 . The area of a circle of radius $\sqrt{2}$ is approximately-

A. 1.4142
B. 6.2832
C. 9.4298
D. 3.1416

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Answer: Option B

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অফিসার (জেনারেল) - 12.11.2021

A. Tk 8800
B. Tk6800
C. Tk 4800
D. Tk 4400
E. None of these

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Answer: Option E

Explanation:

Let, length = 68 m

and width = 10m

So, area = 10×68 = 680

Cost of fencing = ( 10×2×50) + ( 68×2×50) = Tk.7800 ( correct answer)

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2955 . The area of a rectangle is 200 sq. meter . If the length is twice the breadth , what is the perimeter of the rectangle ?

A. 40
B. 50
C. 60
D. None of these

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Answer: Option C

Explanation:

Let L be the length and B be the breadth.

So, L x B = 200

or, 2B x B = 200

or, B2 = 100

or, B = 10

So, L = 2B = 2 x 10 = 20

Therefore, the perimeter of the rectangle = 2 (L + B) = 2 (20 + 10) = 2 x 30 = 60.

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Bangladesh Bank - Assistant Director - 2001

2941 . The smallest 6-digit number exactly divisible by 111 is

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2942 . The 20"-diameter wheels of a car rotates at rate of 24 revolutions per minute, while the 30"-diameter wheels of another car travels at a rate of 18 revolutions per minute. What is the ratio of the speed of the second car to that of the first?

2943 . The addition of 10 digits is 462. The average of their first four digits is 52 and the average of last 5 digits is 38. What is the fifth digit?

2944 . The age of 6 boys of a team led by Karim is 8.5 and if Karim is dropped the average age of the remaining boys will be 7.2. What is the age of Karim?

2945 . The ages of Sabiha and Suriya are in the ratio of 7: 3 respectively. After 6 years, the ratio of their ages will be 5:3. What is the difference in their ages?

2946 . The ages of two persons differ by 16 years. 6 years ago, the elder one was 3 times as old as the younger one. What is the present age of the older person in years?

2947 . The angels of a triangle are in the ratio 2:3:4. What is the value of the largest angle in the triangle ?

2948 . The angle between the minute hand and the hour hand of a clock when the time is 8.30, is :

2949 . The angle between the minute hand and the hour hand of the clock when the time is 4.20 is:

2950 . The angle measure of the base angles of an isosceles triangle are represented by x and the vertex angle is 3x + 10. Find the measure of base angle.

2951 . The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is

2954 . The area of a field is 680 square feet . If the cost of fencing is Tk 50 per foot , then how much will it cost to fence the field?

2955 . The area of a rectangle is 200 sq. meter . If the length is twice the breadth , what is the perimeter of the rectangle ?

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