2686 . Mr.Karim wants to put up fencing around three sides of his rectangular yard and leave a side of 10 feet unfenced. If the yard has an area of 340 sq. feet, how many feet of fencing does he need?

A. 74
B. 84
C. 64
D. None of these

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Answer: Option D

Explanation:

Area, Length×Width = 340

or, Lenght×10 = 340

So, Length = 340/10 = 34 feet

Fencing needed = 34 + 34 + 10 = 78 feet

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2687 . Mr.khan invested an amount of TK. 13,900 divided into two different schemes A and B at a simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years be Tk. 3,508, what was the amount invested in Scheme B?

A. TK. 6400
B. TK. 6500
C. TK. 7200
D. TK. 7500
E. None of these

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Answer: Option D

Explanation:

3508=x×2×14100+(13,900−x)×2×11100

350800=28x+22(13,900−x)

Simplifying, we have:

350800=28x+305800−22x

6x=350800−305800

6x=45000

Solving for x, we have:

x=450006

x=7500

Hence, the amount invested in scheme A is. 7500.

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2688 . Mr X made a fixed deposit of Tk. 10,000 for 1 year at an annual rate of 8 percent commpunded semiannually. Calculate the amount of interest to be paid at maturity?

A. Tk. 10814
B. Tk. 864
C. Tk. 816
D. Tk. 480

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Answer: Option C

Explanation:

Mr. X 1 বছরের জন্য 10,000 টাকার একটি Deposit certificate কিনল, যা 6 মাস পর 8%

হার চক্রবৃদ্ধি সুদ প্রদান করে । Mr. X মোট কত টাকা সুদ পাবে তা বের করতে হবে ।

এখানে, সুদাসল, c = ?; semi annually হওয়ায়, n = 2; সময় t = 1 বছর; আসল, p = 10,000 Tk.

সুদের হার, r = 8% = 81008100

আমরাজানি, = P(1 + rn)n×tP(1 + rn)n×t

= > c = 100(1 + 82×100)2×1100(1 + 82×100)2×1

= > c = 10,000(1 + 125)210,000(1 + 125)2

= > c = 10,000(2625)210,000(2625)2

= > c = 10,000×26×2625×2510,000×26×2625×25

= > c = 10,816.

অর্থাৎ তিনি মোট সুদ পাবেন = (c - p) Tk.

= (10,816 - 10,000) Tk. = 816 টাকা ।

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2689 . Mr X will be the Chairman of the committee . In how many ways can a committee of 5 member be chosen from a total o f8 people given that Mr. Z must be one them?

A. 35
B. 70
C. 120
D. 56

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Answer: Option A

Explanation:

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অফিসার (জেনারেল) - 12.11.2021

A. 2/5
B. 3/5
C. 4/7
D. 7/15
E. 3/8

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Answer: Option E

Explanation:

Total vote = 250 + 150 = 400

Against = 150/400 = 3/8.

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Bangladesh Bank - Assistant Director - 2010

A. 18
B. 19
C. 20
D. 17
E. 21

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Answer: Option E

Explanation:

Job experience of Mr.D = 15

Mr.c = 15 - 2 = 13

Mr.b = C + 3 = 13 + 3 = 16

And Mr.A = B + 5 = 16 + 5 = 21.

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Bangladesh Bank - Assistant Director - 2010

A. 50
B. 40
C. 60
D. 30

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Answer: Option A

Explanation:

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বিমান বাংলাদেশ এয়ারলাইন্স লিঃ নিয়োগ পরীক্ষা-২০১৮। গ্রাউন্ড সার্ভিস অ্যাসিসটেন্ট। ১৩.১০.২০১৮

A. 5%
B. 10%
C. 20%
D. 25%

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Answer: Option B

Explanation:

Even if the percentage of his commission remains the same, his total commission will increase due to the increament of his salary.

Previous commission = 10% of 5000 = 500

New salary = 5000 + 10% of 5000 = 5000 + 500 = 5500

New commission = 10% of 5500 = 550

Increament of commission = (550 - 500) / 500 x 100% = 10%.

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

A. 10,464
B. 864
C. 480
D. 816

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Answer: Option D

Explanation:

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Standard Bank Plc || Trainee Assistant Officer (15-03-2025) || 2025

A. Tk. 15,000
B. Tk. 20,000
C. Tk. 25,000
D. Tk. 30,000
E. None of these

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Answer: Option D

Explanation:

Original price:

2/3 of stock = 10000

1/3 of stock = 5000

Sale price:

2/3 doubled = 2*10000 = 20000

1/3 quintupled = 5*5000 = 25000

Total profit = Total selling price - Total purchase price of stock =

(20000 + 25000) - (10000 + 5000) = 45000 - 15000 = 30000 tk

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2696 . Mujahid can do a work in 8 days, while has colleagues Asad takes 12 days and Mithun takes 16 days to complete the same.Mujahid and Asad started the work and after few days Asad left the work keeping it incomplete. Rest of the work was completed by Mujahid and Mithun in 2 days.How long it took to complete the whole work?

A. 4 days
B. 5 days
C. 6 days
D. 8 days

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Answer: Option B

Explanation:

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2697 . Muzahid wants to borrow Tk. 2,00,000 from a bank. The amount with interest rate of 15% is to be repaid 18 months from now. How much will be the repayment amount?

A. Tk. 1,63,200
B. Tk. 2,58,000
C. Tk. 2,45,000
D. Tk. 2,85,000
E. None of these

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Answer: Option C

Explanation:

here,

r = 15/100

t = 18/12 yr

so,Interest, I = (200000×15×18)/(12×100)

= 45000 tk

so, total repayment amount = 200000 + 45000

= 245000tk

ans: 245000tk

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2698 . Muzahid wants to borrow Tk.200000 from a bank. The amount with interest rate of 15% is to be repaid 18 months from now.How much will be the repayment amount?

A. Tk.163200
B. Tk.258000
C. Tk.245000
D. Tk.285000

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Answer: Option C

Explanation:

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2699 . N can do a piece of work in 80 days. He works at it for 10 days and then M lone finishes the remaining work in 42 days. In how much time will N and M, workings together, finish the work?

A. 24 days
B. 30 days
C. 36 days
D. 20 days

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Answer: Option B

Explanation:

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সিকিউরিটি প্রিন্টিং কর্পোরেশন বাংলাদেশ | সহকারী ব্যবস্থাপক- 26-11-2021

A. 2 miles
B. 3 miles
C. 120 miles
D. 240 miles
E. None of these

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Answer: Option C

Explanation:

Let, s = distance between Dhaka to Mymensingh.

t = time taken to travel from Mymensingh to Dhaka

V = velocity

We have s = vt

Hare s(distance) is constant

ATQ

v×t = v1×t1

60t = 40(t + 1)

t = 20

So s = 60×20 = 120 mile

Ans. 120 mile

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2686 . Mr.Karim wants to put up fencing around three sides of his rectangular yard and leave a side of 10 feet unfenced. If the yard has an area of 340 sq. feet, how many feet of fencing does he need?

2687 . Mr.khan invested an amount of TK. 13,900 divided into two different schemes A and B at a simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years be Tk. 3,508, what was the amount invested in Scheme B?

2688 . Mr X made a fixed deposit of Tk. 10,000 for 1 year at an annual rate of 8 percent commpunded semiannually. Calculate the amount of interest to be paid at maturity?

2689 . Mr X will be the Chairman of the committee . In how many ways can a committee of 5 member be chosen from a total o f8 people given that Mr. Z must be one them?

2690 . Mr. A has won an election by a vote of 250 to 150 . What part of the total vote was against him ?

2691 . Mr. A is 5 years senior to Mr. B, Mr. B is 3 years senior to Mr. C, Mr. C is 2 years junior to Mr. D in job experience . If Mr. D has is years job experience than how many years of experience possessing Mr. A ?

2692 . Mr. Jamal employed 50 workers to finish a work within 30 days. After 20 days he found out that only 50% work had been completed. How many additional workers would be need to finish the task in scheduled time?

2693 . Mr. Khan's salary is Tk. 5000.00 and he gets 10% commission of his salary. If his salary increased by 10%, by what percent his commission will increase?

2694 . Mr. Zahir bought a 1-year BDT 10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity?

2695 . Ms. Zareen purchased stock for Tk. 15,000 and 2/3 of it after its value doubled. She sold the remaining stock at 5 times its purchase price , what was her total profit?

2697 . Muzahid wants to borrow Tk. 2,00,000 from a bank. The amount with interest rate of 15% is to be repaid 18 months from now. How much will be the repayment amount?

2698 . Muzahid wants to borrow Tk.200000 from a bank. The amount with interest rate of 15% is to be repaid 18 months from now.How much will be the repayment amount?

2699 . N can do a piece of work in 80 days. He works at it for 10 days and then M lone finishes the remaining work in 42 days. In how much time will N and M, workings together, finish the work?

2700 . Nader drove from Mymensingh to Dhaka at 60 miles/hour. Returning over the same route , there was a lot of traffic , and he was only able to drive at 40 miles/hour . If the return trip took 1 hour longer, what is the distance between Dhaka and Mymensingh ?

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