931 . A machine produces 1000 units of plastic chair per hour. Working continuously at this rate how many plastic chair will this machine produce in a week?

A. 7000
B. 68000
C. 268000
D. 168000

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Answer: Option D

Explanation:

Total hours in a week = 7×24 = 168 hours

Total production = 168×1000 = 168000 units

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932 . A makes an article for Tk. 120 and sells it to B at a profit of 25% B sells it to C who sells it for Tk. 198 making a profit of 10%. What profit percent did B make ?

A. 25%
B. 20%
C. 16.55%
D. 15%

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Answer: Option B

Explanation:

25 %লাভে A এর বিক্রয়মূল্য ( 120 + 120 × 25/100) টাকা = 150 টাকা।

B এর ক্রয়মূল্য = 150 টাকা।

10% লাভে,

C এর বিক্রয়মূল্য 110 টাকা হলে ক্রয়মূল্য 100 টাকা

C এর বিক্রয়মূল্য 198 টাকা হলে ক্রয়মূল্য ( 100 × 198 /110) = 180 টাকা।

B এর বিক্রয়মূল্য 180 টাকা।

B এর লাভের হার = ( 180 - 150 /150 × 100) % = ( 30/150 × 100) % = 20%

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933 . A man's age is now 3 times his son's age. Eight years back, the man's age was 5 times his son's age. What is the present age of the son?

A. 15
B. 20
C. 18
D. 16

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Answer: Option D

Explanation:

Let, present age of the son is x

So, 3x = 5 ( x - 8) + 8

3x = 5x - 40 + 8

2x = 32

x = 16.

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সমন্বিত ব্যাংক অফিসার (ক্যাশ) || (02-06-2023)

A. 48
B. 50
C. 45
D. 47

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Answer: Option A

Explanation:

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935 . A man's investment doubles in every 5 years. If he invested Tk. 5,000 in each of the years 2010, 2015, 2020 then what will be the amount received by him in 2025?

A. Tk. 30,000
B. Tk. 70,000
C. Tk. 80,000
D. Tk. 1,50,000

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Answer: Option B

Explanation:

2015: (5000*2)+5000= 15000tk.

2020: (15000*2)+5000= 35000tk

2025: 35000*2= 70000tk

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বাংলাদেশ ব্যাংক অফিসার ০২ -১২-২০২২

A. 7
B. 16
C. 9
D. 8

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Answer: Option D

Explanation:

40 ঘন্টার জন্য regular pay ( 30 × 40) টাকা = 1200 টাকা।

Overtime এর টাকার পরিমান ( 1680 - 1200) টাকা = 480 টাকা |

যেহেতু, Overtime এর প্রতিদিনের টাকার পরিমান Regular Payment এর দ্বিগুন , সেহেতু overtime এর সময় ( 480 ÷ ( 30 × 2) ) ঘন্টা = 8 ঘন্টা |

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সমন্বিত ৫ ব্যাংক || অফিসার (ক্যাশ) (11-03-2022)

A. M/P
B. PM/P
C. (M - P)/P
D. (M - P)/M

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Answer: Option B

Explanation:

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938 . A man and a boy can finish a job working together for 4 days. The man can work as much as two boys can do. Then in how many days can the man do it alone?

A. 12
B. 23
C. 6
D. 8

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Answer: Option C

Explanation:

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939 . A man and his wife have seven sons, and every one of the sons has a sister, How many are there in the family?

A. 7
B. 9
C. 10
D. 16

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Answer: Option C

Explanation:

A man + his wife + 7 sons = 9 members

as the sons has a sister, total family member = 9 + 1 = 10

ans: 10

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940 . 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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941 . 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. Tk 15,000
D. None of these

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Answer: Option A

Explanation:

Here, I = 360

n = 120days = 4 months = ⅓ year

r = 6%

P = I/nr = 360/( ⅓*6/100) = 360*100*3 / 6 =18000

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NRBC BANK PO/TAO (16-06-2023) || 2023

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 ব্যাংক অফিসার (ক্যাশ) || (02-06-2023)

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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NRBC Bank PLC || Trainee Assistant Officer (TAO) (26-10-2024) || 2024

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

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Answer: Option B

Explanation:

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945 . 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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931 . A machine produces 1000 units of plastic chair per hour. Working continuously at this rate how many plastic chair will this machine produce in a week?

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932 . A makes an article for Tk. 120 and sells it to B at a profit of 25% B sells it to C who sells it for Tk. 198 making a profit of 10%. What profit percent did B make ?

933 . A man's age is now 3 times his son's age. Eight years back, the man's age was 5 times his son's age. What is the present age of the son?

934 . A man's basic pay for a 40 hours week is Tk.20. Over time is paid for at 25% above the basic rate. In a certain week he worked over time and his total wage was Tk.25. He therefore worked for a total of--

935 . A man's investment doubles in every 5 years. If he invested Tk. 5,000 in each of the years 2010, 2015, 2020 then what will be the amount received by him in 2025?

936 . A man's regular pay Tk. 30 per hour up to 40 hours. Overtime is twice the regular payment. If he was paid Tk. 1680, how many hours overtime did he work?

937 . A man's weekly salary is Tk.P. He saves Tk.M. What fraction of his weekly salary does he spend?

938 . A man and a boy can finish a job working together for 4 days. The man can work as much as two boys can do. Then in how many days can the man do it alone?

939 . A man and his wife have seven sons, and every one of the sons has a sister, How many are there in the family?

940 . 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?

941 . 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?

942 . 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?

943 . 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?

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

945 . 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.)-

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