2281 . In order to obtain an income of Tk. 650 from 10% stock at Tk. 96, one must make an investment of :

A. Tk. 3100
B. Tk. 6240
C. Tk. 6500
D. Tk. 9600

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Answer: Option C

Explanation:

Hints: 10% profit in TK.96 = 96 × 10% = 9.6 TK

If profit 9.6TK. then investment 96 TK

If profit 1 tk then investment 96/9.6 tk

if profit 650 tk then investment 96 × 650/9.6 = 6500 t

সমন্বিত পাঁচ ব্যাংক || অফিসার ক্যাশ - 06.11.2021

A. 1,350
B. 1,500
C. 1,750
D. 2,000

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Answer: Option B

Explanation:

ATQ, Needed marks to be passed is 381  +  144 = 525
As the student needs 35% of the maxium marks to pass
i.e. 525 =  35% of the maximum marks
So, 35% =  525 marks
     1% =  525/35 marks
   100% =  (525/35)*100 marks
        =  1500 Marks. ANS

2283 . In order to save a Word document as a web page you need to -

A. Put the appropriate graphics and links on the document
B. Save the document in simple text format
C. Use your web browser as an editor and save as URL
D. Save as HTML

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Answer: Option D

Explanation:

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

A. 2040
B. 1896
C. 425
D. 89

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Answer: Option A

Explanation:

Out of every 125, number of job holder = 120

So, out of 2125, number of job holders = 120 x 2125 / 125 = 2040.

2285 . In redesigning a cold storage, the length is increased by 30%, the breadth is increassed by 50% and the height is reduced by 20%. What is the net increase in the volume of the redesigned cold storage compared to the previous design?

A. 50%
B. 56%
C. 60%
D. 40%
E. None of them

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Answer: Option B

Explanation:

Shortcut method:

±a±b±(ab/100)

=30+50+(30×50)/100

=95%

Now again,

±a±b±(ab/100)

=95-20-(95×20)/100

=56%

2286 . In redesigning a werehous, the lenght is increased by 20%, the breadth is increased by 40% and the heightis decreased by 25%. What is the net increase in the volume of the redesigned werehouse compared to the previous design?

A. 40%
B. 26%
C. 15%
D. 20%

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Answer: Option B

Explanation:

2287 . In Sajib's collection, Bangladeshi stamp is 3 times more than the stamps of other countries . Which of the following cannot be the number of stamps in Sajib's collection ?

A. 96
B. 72
C. 54
D. 32

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Answer: Option C

Explanation:

Stamps must be in an integer.

Let's say, he has x stamps of other countries

So, he has 3x Stamps of Bangladesh

So it has to be, x+3x=54 [In total]

But if we solve the equation, we can see that x=27/2, which is a fraction [not an integer]

So 54 cannot be the number of stamps. (ans)

2288 . In square ABCD below, if DE = EB and DF = FC, then the area of the shaded region is what fraction of the area of square region ABCD?

A. 1/16
B. 1/8
C. 1/4
D. 1/6

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Answer: Option B

Explanation:

2289 . In the equation: 31(m - n) - 32(m - n) + (m - n) =?

A. -n
B. -m
D. 1

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Answer: Option C

Explanation:

31(m-n) - 32(m-n) + (m-n)

= 31m - 31n - 32m + 32n + m - n

= 0

2290 . In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are unionized and 70 percent of these are men, what percent of the non-unionized workers are women?

A. 90%
B. 87.5%
C. 66.7%
D. 50%

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Answer: Option A

Explanation:

Let X% of the non - unionized employees be men.

Percentage of non - unionized employees = 100% - 60% = 40%

Percentage of unionized men employees = 70% of 60% = 42%

Now, % unionized men employees + % of non - unionized men employees = 46%

or, 42% + X% of 40% = 46%

or, X% of 40% = 46% - 42% = 4%

or, X/100 = 4/40

So, X = 1/10×100 = 10

So, percentage of non - unionized women employees = 100% - 10% = 90%

2291 . In the figure, DE is parallel to BC. If the area of a triangle ADE is half that of trapezoid DECB, what is the ratio of AE to AC?

A. 1:2
B. 1 √ 2
C. 1:3
D. 1 √ 3

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Answer: Option D

Explanation:

বাংলাদেশ ব্যাংক অফিসার ০২ -১২-২০২২

A. 12
B. 11
C. 13
D. 17

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Answer: Option D

Explanation:

2293 . In the figure, what is the value of a?

A. 30
B. 45
C. 72
D. 60

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Answer: Option C

Explanation:

2294 . In the figure below, the area of square PQRS is 64. What is the area of triangle QRT?

A. 48
B. 32
C. 24
D. 16

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Answer: Option B

Explanation:

There is no need to even apply the formula for area of the triangle.

Since location of point T is not defined, we can assume it to be anywhere.

Consider point T to coincide with point P. This will divide the squire in 2 equal halves.

Since the area of the squire is 64, the are of triangle will be 64/2 = 32.

2295 . In the figure below , the angles x and y are equal . If AB>AC, which of the following is true?

A. AP
B. AP>AB
C. BC>PC
D. AP + AC < AB

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Answer: Option A

Explanation:

2281 . In order to obtain an income of Tk. 650 from 10% stock at Tk. 96, one must make an investment of :

2282 . In order to pass an examination, a student is required to get 35% of the maximum marks. If a student scored a total of 381 marks and failed by 144 marks, determine the maximum marks for the examination.

2283 . In order to save a Word document as a web page you need to -

2284 . In Rajshahi 5 adults are unemployed for every 120 who have jobs. Out of 2125 adults how many have jobs?

2285 . In redesigning a cold storage, the length is increased by 30%, the breadth is increassed by 50% and the height is reduced by 20%. What is the net increase in the volume of the redesigned cold storage compared to the previous design?

2286 . In redesigning a werehous, the lenght is increased by 20%, the breadth is increased by 40% and the heightis decreased by 25%. What is the net increase in the volume of the redesigned werehouse compared to the previous design?

2287 . In Sajib's collection, Bangladeshi stamp is 3 times more than the stamps of other countries . Which of the following cannot be the number of stamps in Sajib's collection ?

2288 . In square ABCD below, if DE = EB and DF = FC, then the area of the shaded region is what fraction of the area of square region ABCD?

2289 . In the equation: 31(m - n) - 32(m - n) + (m - n) =?

2290 . In the Excel Manufacturing Company, 46 percent of the employees are men. If 60 percent of the employees are unionized and 70 percent of these are men, what percent of the non-unionized workers are women?

2291 . In the figure, DE is parallel to BC. If the area of a triangle ADE is half that of trapezoid DECB, what is the ratio of AE to AC?

2292 . In the figure, if AB=8, BC =6, AC=10 and CD= 9, then AD= ?

2293 . In the figure, what is the value of a?

2294 . In the figure below, the area of square PQRS is 64. What is the area of triangle QRT?

2295 . In the figure below , the angles x and y are equal . If AB>AC, which of the following is true?

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