1 . 'Road accidents have increased significantly .' The statement will be strengthened by the following EXCEPT :

A. Drivers are running cars recklessly
B. Only well-trained drivers are allowed to run the cars
C. Road trafficking is almost absent
D. Street trafficking is not working at night

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Answer: Option B

Explanation:

প্রশ্নে একটি বক্তব্য দেয়া আছে যে, 'সড়ক দুর্ঘটনা উল্লেখযোগ্যভাবে বেড়েছে।'

জানতে চাওয়া হয়েছে যে নিচে প্রদত্ত অপশনগুলোর মধ্যে কোনটি বাদে বাকিগুলো বক্তব্যটিকে জোড়ালো করে।

সঠিক উত্তর অপশন 2. Only well - trained drivers are allowed to run the cars.(শুধু সুপ্রশিক্ষিত চালকদেরই গাড়ি চালাতে দেয়া হয়।) কারন এটি বক্তব্যটিকে জোড়ালো করেনা, দুর্বল করে।

অপশন 2 বাদে বাকি অপশন গুলো হচ্ছে,

1. Drivers are running cars recklessly. (চালকেরা বেপরোয়াভাবে গাড়ি চালাচ্ছে।)

3. Road trafficking is almost absent. (যানবাহন চলাচলে নিয়ন্ত্রণ নেই বললেই চলে।)

4. Street trafficking is not working at night. (যানবাহন চলাচল নিয়ন্ত্রণ ব্যবস্থা রাতের বেলা কাজ করছেনা।)

এই অপশনগুলো বক্তব্যটিকে জোড়ালো করে।

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Bangladesh Bank - Assistant Director - 2010

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2 . 75% of students of a class answered Question No. 1 correct and 55% answered Question No. 1 correct and 20% answered neither question correctly . What percent of students answered both question correctly ?

A. 20%
B. 25%
C. 35%
D. 45%
E. 50%

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Answer: Option E

Explanation:

Students answer Q.1 or Q.2 or both correctly = ( 100 - 20) = 80%

Let, x% students answered both correctly

( 75 - x) + ( 55 - x) + x = 80

130 - x = 80

x = 50

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Bangladesh Bank - Assistant Director - 2011

A. 200
B. 250
C. 300
D. 450
E. 400

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Answer: Option A

Explanation:

Let, the original number = 100
20% reduced = 100 - 100 of 20% = 80
Then, 20% increased = 80 + 80 of 20% = 96
The difference = 96-80 = 16
16 difference then original number = 100
1 difference then original number = 100/16
8 difference then original number = (100×8)/16 = 50

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Bangladesh Bank - Assistant Director - 2013 ||

A. The cost of fruits and vegetables has risen sharply
B. Consumers have decreased their consumption of fruits and vegetables
C. The cost of fruits and vegetables is a major item in the COL
D. Other items that make up the COL have not significantly decreased in price
E. Food cost changes are reflected quickly in the COL

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Answer: Option B

Explanation:

The statement suggests that the cost of living index (COL) will increase due to a recent increase in the price of fruits and vegetables. Let's analyze the options provided:

A. The cost of fruits and vegetables has risen sharply.
This can be inferred from the statement. If the economist mentioned an increase in the price of fruits and vegetables, it suggests that their cost has risen.

B. Consumers have decreased their consumption of fruits and vegetables.
This cannot be directly inferred from the statement. The statement does not provide any information about consumer behavior or changes in consumption patterns. It only mentions the increase in the price of fruits and vegetables.

C. The cost of fruits and vegetables is a major item in the COL.
This can be inferred from the statement. If the economist suggests that the COL will go up due to the increase in the price of fruits and vegetables, it implies that fruits and vegetables are a significant component of the COL.

D. Other items that make up the COL have not significantly decreased in price.
This cannot be inferred from the statement. The statement focuses on the increase in the price of fruits and vegetables and does not provide any information about the price changes of other items included in the COL.

E. Food cost changes are reflected quickly in the COL.
This can be inferred from the statement. The economist suggests that the increase in the price of fruits and vegetables will lead to an increase in the COL next month, implying that changes in food costs are quickly reflected in the COL.

Therefore, the option that cannot be inferred from the statement is option B: Consumers have decreased their consumption of fruits and vegetables.

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Bangladesh Bank - Assistant Director - 2011

A. 4860
B. 4875
C. 4900
D. 4960
E. none of these

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Answer: Option A

Explanation:

After 8% increase new price = tk. 5000×108/100 = Tk.5400

Again after 10% reduction on last price, new price = Tk.5400 × 90/100 = Tk.4860

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6 . By selling a book for TK. 56, gain is as much percent as it costs in taka. The cost price is :

A. TK. 280
B. TK. 40
C. TK. 360
D. TK. 140
E. TK. 500

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Answer: Option B

Explanation:

Let cost price Tk. x

x + x/100 × x = 56

100 x + x2 = 5600

x^2 + 100x - 5600 = 0

x^2 + 140 x - 40 x - 5600 = 0

x ( x + 140) - 40 ( x + 140) = 0

( x + 140) ( x - 40) = 0

x = - 140 ( not acceptable)

x = 40

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Bangladesh Bank - Assistant Director - 2011

A. 36
B. 40
C. 81
D. 400

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Answer: Option D

Explanation:

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Bangladesh Bank - Assistant Director - 2006

A. 40
B. 50
C. 60
D. 70

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Answer: Option C

Explanation:

সকাল ৭ টা থেকে বিকেল ৩টা পর্যন্ত মধ্যবর্তী সময়ের পার্থক্য ৮ ঘণ্টা।
∴ ট্রেনের গড় গতিবেগ = মোট অতিক্রান্ত দূরত্ব/মোট ব্যয়িত সময় ৩০০/৮ কি.মি. = ৩৭.৫ কিমি

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Bangladesh Bank - Assistant Director - 2001

A. 25%
B. 30%
C. 40%
D. 45%
E. 50%

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Answer: Option E

Explanation:

Let, total participant = 100

30% contributed = 40×30% = 40×30/100 = 12 Tk.

45% contributed = 20 × 45 % = 20×45/100 = 9 Tk.

Test = { 100 - ( 30 + 45) }% = 25% contributed = 12×25/100 = 3 Tk.

The percentage of total amount came from people who gave Tk 40 each = 12 /( 12 + 9 + 3) ×100 = 50%

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Bangladesh Bank - Assistant Director - 2013 ||

A. 672
B. 700
C. 749
D. 848
E. None of them

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Answer: Option B

Explanation:

GIVEN: A candidate who gets 84% of the votes is elected by a majority of 476 votes.
Let the total number of votes polled be 'x'
Number of votes in favour of the candidate is = 84% of x
= 84x/100
Number of votes got by the losing candidate = x−84x/100
= (100x - 84x)/100 = 16x/100
Number of extra votes in favor of winning candidate = 84x/100−16x/100
476 = 68x/100
x = (476 × 100 )/ 68
x = 7 × 100
x = 700
Hence,the total number of votes polled are 700 .

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Bangladesh Bank - Assistant Director - 2012

A. 0.5
B. 1
C. 10
D. 10
E. 50

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Answer: Option C

Explanation:

The percentage of Dhaka City household

= 708644/7056860 ×100%

= 10%

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Bangladesh Bank - Assistant Director - 2013 ||

A. 87
B. 270
C. 269
D. 249
E. 290

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Answer: Option E

Explanation:

10% of 290 is 29।

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Bangladesh Bank - Assistant Director - 2008

A. 12
B. 14
C. 16
D. 18
E. 15

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Answer: Option C

Explanation:

Lets,

Riaz income = 100 tk

If he give tax 20% of his income then = 100×20%

= 100× 20/100

= 20 tk

Remain Riaz income = (100 - 20)tk

= 80 tk

Then he spent 20% of his remaining income then

= 80×20%

= 80×20/100

= 16 tk

% of Riaz income = (16×100)/100

= 16%

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Bangladesh Bank - Assistant Director - 2011

A. 30%
B. 25%
C. 20%
D. 35%
E. None of them

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Answer: Option C

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Bangladesh Bank - Assistant Director - 2012

A. 25%
B. 45%
C. 55%
D. 64%
E. 67%

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Answer: Option D

Explanation:

Let, last year visitor were 100

Projected visitor = 100 + 25 = 125

Actual visitor = 100 - 20 = 80

% of attended visotor = 80/125 × 100% = 64%

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Bangladesh Bank - Assistant Director - 2011

1 . 'Road accidents have increased significantly .' The statement will be strengthened by the following EXCEPT :

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2 . 75% of students of a class answered Question No. 1 correct and 55% answered Question No. 1 correct and 20% answered neither question correctly . What percent of students answered both question correctly ?

3 . A students first reduced a number by 20% and then increased it again by 20% . If the difference between the last number and the original number is 8, then the original number was :

4 . An economist was quoted as saying that the cost of living index ( COL ) will go up next month because a recent increase in the price of fruits and vegetables . Which of the following cannot be inferred from the statement ?

5 . At a certain store, a chair was on sale for Tk.5000. As the manager thought he could get money for the chair, he increaed its price by 8 percent. After a week the chair had not been sold. The manager then reduced the last price by 10% and the chair was sold. For how much was the chair sold?

6 . By selling a book for TK. 56, gain is as much percent as it costs in taka. The cost price is :

7 . If 18 is 15 percent of 30 percent of a certain number , what is the number?

8 . If it is 300 kilometers from Dhaka to Chittagong and 180 kilometers form Dhaka to Comilla , what percentage of the distance from Dhaka to Chittagong is the distance form Dhaka to Comilla ?

9 . In a group of people solicited by a charity, 30% contributed TK. 40 each, 45% contributed TK. 20 each and the rest contributed TK. 12 each. What percentage of the total amount came from people who gave TK. 40 each ?

10 . In an election a candidate who gets 84% of the votes is elected by a majority of 476 votes. What is the total number of votes polled ?

11 . Mirpur households makeup approximately what percentage of Dhaka city's households in 2000 ?

12 . Number 29 is 10 percent of what number?

13 . Riaz spent 20% of his income on taxes and 20% of the remainder on rent . What percent of his income has he spent on rent ?

14 . The length of a rectangle is increased by 25% . By what percentage should the width be decreased so that the area of the rectangle remains unchanged ?

15 . The organizers of a fair projected 25% increase of visitors this year over that of the last year but the actual turnover was 20% less than that of the last year. What percent of projected visitors attended the fair ?

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