1201 . A sum of Tk. 600 amounts to Tk. 720 in 4 years at Simple Interest. What will it amount to if the rate of interest is increased by 2% ?

A. Tk.648
B. Tk.768
C. Tk. 726
D. Tk. 792

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Answer: Option B

Explanation:

এখানে, I = 720 - 600 = 120

r = 120× 100 / 600 × 4 = 5%

2% বৃদ্ধিতে মুনাফার হার ( 5 + 2) % = 7%

I = 600 × 7/100 × 4 = 168

মুনাফা - আসল = 600 + 168 = 768

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1202 . A sum of Tk.12000 deposited at compound interest becomes double after 5 years. After 20 years it will become--

A. 124000
B. 96000
C. 120000
D. 192000

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Answer: Option D

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1203 . A sum of Tk.2540 is lent out into two parts. One at 12% another one at 25/2%. If the total annual is Tk.311.60, he money lent at 12% is--

A. 1240
B. 1340
C. 1180
D. 1360

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Answer: Option C

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1204 . A sum of TK. 24,500 amounts to TK. 34,300 in 5 years at a simple interest rate. What is the rate of interest ?

A. 5%
B. 7%
C. 6%
D. 8%

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Answer: Option D

Explanation:

সুদ = ( 34300 - 24500) বা 9800 টাকা

আমরা জানি, I = pnr

9800 = 24500 × 5 × r/100

r = 9800/1225

r = 8

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সাধারণ বীমা কর্পোরেশন || জুনিয়র অফিসার (12-07-2019)

A. 16:9:18
B. 25:18:10
C. 18:25:10
D. 15:8:30

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Answer: Option B

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Bangladesh Bank - Assistant Director - 2014

A. 15,000
B. 16,000
C. 18,000
D. 40,000
E. None of these

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Answer: Option C

Explanation:

3.2 people live in 1 house hold

1 people live in 1/3.2 house hold

48000 people live in 48000/3.2 house hold = 15000 house hold

1 house hold contain 1.2 DVD

15000 house hold contain. = ( 1.2 ×15000) = 18, 000 house hold

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1207 . A tailor had a number of shirt pieces to cut from large piece pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute. How many large pieces would be cut in 24 minutes?

A. 32
B. 54
C. 108
D. 120
E. None of these

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Answer: Option D

Explanation:

Number of cuts made to cut a large piece into 10 pieces = 9.
Therefore,
Required number of large pieces = (45 x 24)/9 = 120.

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1208 . A takes thrice s long do a price of work, as B takes. A&B together can finish a price of work in 15 days. A long can do it in-

A. 15 days
B. 25 days
C. 45 days
D. 60 days

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Answer: Option D

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সমন্বিত ৬ ব্যাংক ও আর্থিক প্রতিষ্ঠান - সহকারী প্রোগ্রামার - 18.03.2021

A. 6 days
B. 8 days
C. 12 days
D. 4 days

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Answer: Option A

Explanation:

ধরি,

B এর সময় লাগে x দিন

A এর সময় লাগে 2x দিন

এবং, C এর সময় লাগে y দিন

A এর সময় লাগে 3y দিন

এখন, 2x = 3y

y = 2x/3

A : B : C = 2x : x : 2x/3 = 6x : 3x : 2x

A,B,C একত্রে 1 দিনে করে ( 1/6x + 1/3x + 1/2x) = 1/x অংশ

1/x = 1/2

x = 2

B কাজটি করে ( 3 × 2) = 6 দিনে।

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পূবালী ব্যাংক লিমিটেড || সিনিয়র অফিসার (30-09-2023) || 2023

A. 1.25%
B. 3.75%
C. 6.25%
D. 6.67%
E. None of them

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Answer: Option D

Explanation:

To find the percent of sodium chloride in the remaining solution, we'll calculate the initial amount of sodium chloride and then find the percentage after 2500 gallons of water evaporate.

Initial amount of sodium chloride = 5% of 10,000 gallons Initial amount of sodium chloride = (5/100) * 10,000 = 500 gallons

Initially, there are 500 gallons of sodium chloride in the solution.

After 2500 gallons of water evaporate, there are 10,000 - 2500 = 7500 gallons of liquid remaining in the tank.

Now, to find the percentage of sodium chloride in the remaining solution:

Percentage of sodium chloride = (Amount of sodium chloride / Total volume of solution) * 100

Percentage of sodium chloride = (500 gallons / 7500 gallons) * 100

Percentage of sodium chloride ≈ 6.67%

So, the remaining solution will be approximately 6.67% sodium chloride.

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1211 . A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate. how long does it take both the leakage together to empty the tank ?

A. 3.6 min
B. 3.1 min
C. 3.5 min
D. 4.0 min

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Answer: Option A

Explanation:

দুটি বাদে সবগুলো rose

দুটি বাদে সবগুলো tulip

দুটি বাদে সবগুলো daisy

স্পষ্ট বোঝা যাচ্ছে মোট ফুল তিনটি এবং প্রতি প্রকারের ফুল আছে ১টি করে।

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1212 . A tank is 30% full with water. If 18 liters of water is added the tank become 3/4 full. What is the capacity of the tank?

A. 36
B. 40
C. 45
D. 56

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Answer: Option B

Explanation:

3/4 ≡ 3/4 x 100% = 75%

Change in = 75% - 30% = 45%

Now, 45% capacity = 18 liter

So, 100% capacity = 18 x 100 / 45 = 40 liter

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1213 . A tank is 40% full of water. If 9 liters of water is removed, the tank becomes 1/4th full. What is the capacity of the tank in liter?

A. 20
B. 30
C. 40
D. 60

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Answer: Option D

Explanation:

Let's call the capacity of the tank "C" liters. Initially, the tank is 40% full of water, which means it contains 0.4C liters of water. When 9 liters of water are removed, it becomes 1/4 full, which means it contains (1/4)C liters of water.

We can set up an equation using this information:

0.4C - 9 = (1/4)C

Now, let's solve for C:

0.4C - 9 = (1/4)C

Multiply both sides of the equation by 4 to eliminate fractions:

1.6C - 36 = C

Subtract C from both sides:

0.6C - 36 = 0

Now, add 36 to both sides:

0.6C = 36

Finally, divide by 0.6 to find the capacity of the tank:

C = 36 / 0.6 = 60

So, the capacity of the tank is 60 liters.

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1214 . A tank is filled in 5 hours by three pipes A,B and C The pipe C is twice as fast as B and B is twice as fast as A How much time will pipe A alone take to fill the tank?

A. 20 hours
B. 25 hours
C. 35 hours
D. None of these

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Answer: Option C

Explanation:

Suppose pipe A alone takes x hours to fill the tank.
Then, pipes B and C will take x/2 and x/4 hours respectively to fill the tank.
∴1/x + 2/x + 4/x = 1/5
⇒7/x = 1/5
⇒x = 35hours

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সমন্বিত ৬ (ব্যাংক) ও ২ টি আর্থিক প্রতিষ্ঠান - সিনিয়র অফিসার ১০.০৬.২০১৯

A. 3 h 30 m
B. 3 h 45 m
C. 4 h30 m
D. 4 h

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Answer: Option C

Explanation:

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সমন্বিত ৭ ব্যাংক ও ১টি আর্থিক | সিনিয়র_অফিসার | 27-11-2021

1201 . A sum of Tk. 600 amounts to Tk. 720 in 4 years at Simple Interest. What will it amount to if the rate of interest is increased by 2% ?

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1202 . A sum of Tk.12000 deposited at compound interest becomes double after 5 years. After 20 years it will become--

1203 . A sum of Tk.2540 is lent out into two parts. One at 12% another one at 25/2%. If the total annual is Tk.311.60, he money lent at 12% is--

1204 . A sum of TK. 24,500 amounts to TK. 34,300 in 5 years at a simple interest rate. What is the rate of interest ?

1205 . A sum of TK. 53 is divided among A, B, C is such a way that A gets TK. 7 more than what B gets and B gets TK. 8 more than what C gets. The ratio of their shares is :

1206 . A survey of City A found an average of 3.2 people per household and an average of 1.2 DVD players per household . If 48,000 people live in City A, how many DVD players are there in City A?

1207 . A tailor had a number of shirt pieces to cut from large piece pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute. How many large pieces would be cut in 24 minutes?

1208 . A takes thrice s long do a price of work, as B takes. A&B together can finish a price of work in 15 days. A long can do it in-

1209 . A takes twice as much time as B or thrice as much time as C to finish a piece of work . Working together , they can finish the work in 2 days . B can do the work alone in :

1210 . A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?

1211 . A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate. how long does it take both the leakage together to empty the tank ?

1212 . A tank is 30% full with water. If 18 liters of water is added the tank become 3/4 full. What is the capacity of the tank?

1213 . A tank is 40% full of water. If 9 liters of water is removed, the tank becomes 1/4th full. What is the capacity of the tank in liter?

1214 . A tank is filled in 5 hours by three pipes A,B and C The pipe C is twice as fast as B and B is twice as fast as A How much time will pipe A alone take to fill the tank?

1215 . A tap can fill a tank in 6 hours . After half the tank is filled another simila tap is opened. What is the total time taken to fill the tank completely?

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