931 . A man binds 112 books iin a day and his assistant work 1/4 as fast. How many days will it take them to bind 560 books, if each alone works on alternate days?

A. 8
B. 4
C. 2
D. 10

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Answer: Option A

Explanation:

His assistant binds 1/4 x 112 = 28 books a day.

So, they bind 112 + 28 = 140 books in every 2 days working in alternate days

They will need 560/140 x 2 days = 8 days.

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932 . A man borrowed some money for 120 days. He asked the banker for the money and the banker charged Tk.360 as interest @6% per annum. What was the amount he borrowed?

A. Tk. 18,000
B. Tk. 16,000
C. None of these
D. Tk. 15,000

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Answer: Option A

Explanation:

প্রশ্নে বলা হচ্ছে যে, একজন লোকের ১২০ দিনের জন্য কিছু টাকা প্রয়োজন । সে ব্যাংকের কাছে লোন চাইল । ব্যাংক তাকে ৬% হার ৩৬০ টাকা চার্জ করল । প্রশ্ন হলো সে ব্যাংক থেকে মোট কত টাকা নিয়েছিল ?

আমরা জানি, I = prt/100

এখানে,

I = সুদ/চার্জ = 360,

r = সুদের হার = 6% ,

t = সময় = 120 days = 120/30 মাস = 4 মাস = 4/12 বছর = 1/3 বছর

= > 360 = p×6×13100">p×6×13100

∴ p = 18,000

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সমন্বিত ৮ ব্যাংক ও ১ টি আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (সাধারণ) (20-01-2023)

A. 40
B. 100
C. 200
D. 72

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Answer: Option C

Explanation:

Let's assume that the man bought x eggs.

Since 10% of the eggs are rotten, the number of good eggs he has is 90% of x, which is 0.9x.

Now, he gives away 80% of the remainder (i.e., 100% - 10% = 90%) to his neighbors, which means he is left with 20% of the remainder. This can be expressed as:

0.2(0.9x) = 36

Simplifying this equation, we get:

0.18x = 36

x = 200

Therefore, the man bought 200 eggs.

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সমন্বিত ৮ ব্যাংক ও ১ টি আর্থিক প্রতিষ্ঠান || অফিসার জেনারেল (10-03-2023)

A. 39/2%
B. 225/4%
C. 20%
D. 50%

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Answer: Option B

Explanation:

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935 . A man buys 20 pens and 10 books for Tk 400. He sells pens at a profit of 40% and books at a profit of 25%. If his overal profit was Tk. 112, the cost price of a book is (in Tk.)-

A. 24
B. 30
C. 32
D. 40

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Answer: Option C

Explanation:

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936 . A man buys an article for 10% less than its value and sells it for 10% more than its value. His gain or loss percentage is-

A. No profit, no loss
B. 20% profit
C. Less than 20% profit
D. More than 20% profit

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Answer: Option D

Explanation:

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

A. 120
B. 180
C. 200
D. 300

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Answer: Option D

Explanation:

Let the number of eggs he bought be D.

Buying price per egg = 7.2/12

Selling price per egg = 70/100

So, 70D/100 - 7.2D/12 = 30

or, 7D/10 - 7.2D/12 = 30

or, (42D - 36D) / 60 = 30

or, 6D = 60 x 30

or, D = 1800 / 6 = 300.

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938 . A man buys pen at the rate of TK. 420 per 100 pieces and sells them at TK. 60 per dozen . If the profit is TK. 100, how many pens did he buy ?

A. 100
B. 125
C. 150
D. 160
E. None of these

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Answer: Option B

Explanation:

The cost price of 100 pens = TK. 420 Cost price of 1 pen = TK. (420/100) = TK. 4.2 Selling price of 1 dozen pens = TK. 60 Selling price of 1 pen = TK. (60/12) = TK. 5

Profit per pen = Selling price per pen - Cost price per pen = TK. (5 - 4.2) = TK. 0.8

Let the number of pens bought be x Total profit = TK. 100

Profit per pen × number of pens = Total profit TK. 0.8 × x = TK. 100 x = (TK. 100)/(TK. 0.8) = 125

Therefore, the man bought 125 pens.

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939 . A man buys pen at the rate of Tk.420 per 100 pieces and sells them at Tk.60 per dozen. If the profit is Tk.100, how many pens did he buy?

A. 100
B. 125
C. 150
D. 160

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Answer: Option B

Explanation:

The cost price of 100 pens = TK. 420 Cost price of 1 pen = TK. (420/100) = TK. 4.2 Selling price of 1 dozen pens = TK. 60 Selling price of 1 pen = TK. (60/12) = TK. 5

Profit per pen = Selling price per pen - Cost price per pen = TK. (5 - 4.2) = TK. 0.8

Let the number of pens bought be x Total profit = TK. 100

Profit per pen × number of pens = Total profit TK. 0.8 × x = TK. 100 x = (TK. 100)/(TK. 0.8) = 125

Therefore, the man bought 125 pens.

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940 . A man buys some shirts and some ties. Shirts cost Tk.70 each and the ties cost Tk. 30 each. If the man spends exactly Tk. 810 and buys the maximum number of shirts possible under these conditions, what is the ratio of shirts to ties?

A. 5:3
B. 4:3
C. 3:2
D. 4:1

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Answer: Option C

Explanation:

810

=81×10

=9×9×10

So, highest number of shirts is 9 [if 10 then ratio becomes inappropriate and impossible]

Now, 9×70=630 taka

and, (810-630)/30= 6 pieces of ties

The ratio is 9:6 or, 3:2

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941 . A man buys some shirts and some ties. Shirts cost Tk.70 each and the ties cost Tk.30 each. If the man spends exactly Tk.810 and buys the maximum number of shirts possible under these condition, what is the ratio of shirts to ties?

A. 5 : 3
B. 4 : 3
C. 3 : 2
D. 4 : 1

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Answer: Option C

Explanation:

We can create the equation:

7S + 3T = 81

or,7S = 81 - 3T

or,7S = 3(27 - T)

or,S = 3(27 - T)/7

The greatest value of S will be obtained when T is as small as possible. The smallest value of T which produces a number divisible by 7 after substitution is 6, so when T is 6 we have:

S = 3(21)/7 = 9

So, the ratio of S to T is 9 : 6 = 3 : 2.

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942 . A man buys Tk. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is :

A. Tk. 12
B. Tk. 18
C. Tk. 15
D. Tk. 21

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Answer: Option D

Explanation:

Hints, Without 9% dividend the share price is = 20 - 20 × 9% = 20 - 1.8 = 18.2

with 12% interest the market value is = 18.2 + 18.2 + 12% = 18.2 + 2.184 = 20.384 = 21

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943 . A man buys Tk. 50 shares in a company which pays 10% dividend. If the man gets 12.5% on his investment, at what price did he buy the shares?

A. Tk. 37.50
B. Tk. 40
C. Tk. 48
D. Tk. 52

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Answer: Option B

Explanation:

Hints: Dividend on 1 share = (50×10%) Tk

= 50 ×(10/100) = 5 Tk.

Tk. 12.5 is an income on an investment of Tk. 100

Tk. 5 is an income on an investment of Tk (100×5) / 12.5 = 40

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944 . A man can cross 10 miles distance of a river in favor of the stream in 2 hours. He can come back against the stream along the same way in 5 hours. What is the average speed, in miles per hour, for the entire trip?

A. 20/7
B. 10/7
C. 7/10
D. 7/20

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Answer: Option A

Explanation:

Total distance = 10 + 10 = 20 miles

Total time required = 5 + 2 = 7 hours

Average speed = 20/7 miles per hour

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945 . A man can do a job in 15 days. His father takes 20 days and his son finished it in 25 days. How long will they take to complete the job if they all work together?

A. Less than 6 days
B. Exactly 6 days
C. More than 10 days
D. Approximately 6.4 days

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Answer: Option D

Explanation:

Together in 1 day they can do

= ( 1/15 + 1/20 + 1/25) portion

= 47/300 portion

47/300 portion is done in 1 day

1 full portion dine in 300/47 day = 6.38297873 = 6.4

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931 . A man binds 112 books iin a day and his assistant work 1/4 as fast. How many days will it take them to bind 560 books, if each alone works on alternate days?

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932 . A man borrowed some money for 120 days. He asked the banker for the money and the banker charged Tk.360 as interest @6% per annum. What was the amount he borrowed?

933 . A man bought some eggs of which 10% are rotten. He gives 80% of the remainder to his neighbors. Now he is left out with 36 eggs. How many eggs he bought?

934 . A man buys 10 articales for Tk.8 and sells them at the rate of Tk.1.25 per articale. His gain is--

935 . A man buys 20 pens and 10 books for Tk 400. He sells pens at a profit of 40% and books at a profit of 25%. If his overal profit was Tk. 112, the cost price of a book is (in Tk.)-

936 . A man buys an article for 10% less than its value and sells it for 10% more than its value. His gain or loss percentage is-

937 . A man buys eggs at the rate of Tk.7.2 per dazon eggs and sells them at Tk.70 per 100 eggs. If his profit is Tk.30, how many eggs did he buy?

938 . A man buys pen at the rate of TK. 420 per 100 pieces and sells them at TK. 60 per dozen . If the profit is TK. 100, how many pens did he buy ?

939 . A man buys pen at the rate of Tk.420 per 100 pieces and sells them at Tk.60 per dozen. If the profit is Tk.100, how many pens did he buy?

940 . A man buys some shirts and some ties. Shirts cost Tk.70 each and the ties cost Tk. 30 each. If the man spends exactly Tk. 810 and buys the maximum number of shirts possible under these conditions, what is the ratio of shirts to ties?

941 . A man buys some shirts and some ties. Shirts cost Tk.70 each and the ties cost Tk.30 each. If the man spends exactly Tk.810 and buys the maximum number of shirts possible under these condition, what is the ratio of shirts to ties?

942 . A man buys Tk. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is :

943 . A man buys Tk. 50 shares in a company which pays 10% dividend. If the man gets 12.5% on his investment, at what price did he buy the shares?

944 . A man can cross 10 miles distance of a river in favor of the stream in 2 hours. He can come back against the stream along the same way in 5 hours. What is the average speed, in miles per hour, for the entire trip?

945 . A man can do a job in 15 days. His father takes 20 days and his son finished it in 25 days. How long will they take to complete the job if they all work together?

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