316 . If Tk. 5,000 is invested at 12% annual rate of interest, how much will the investment be worth after 2 years?

A. 5785
B. 6272
C. 7190
D. 8225

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Answer: Option B

Explanation:

Senior Officer (IT) - Sonali-Janata-BD Krishi-BD Development Bank Ltd - 30.11.2018

A. Tk.1104
B. Tk.2594
C. Tk.2840
D. Tk.2208
E. Tk.2708

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Answer: Option E

Explanation:

To find the nearest ending balance, we can use the formula for compound interest:

A = P * (1 + r/n)(n×t)

where: P = Tk. 1,000 (the initial investment) r = 10% (the annual interest rate) n = 12 (compounded monthly) t = 10 years

Plugging in the values, we get:

A = 1000 × (1 + 0.1/12)(12×10) ≈ Tk. 2,594.49

Therefore, the nearest ending balance at the end of 10 years is approximately Tk. 2,594.49.

So, answer is None.

Bangladesh Bank - Assistant Director - 2006

A. 50 miles
B. 100 miles
C. 500 miles
D. 700 miles
E. None of these

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Answer: Option C

Explanation:

The initial position of the plane along with their final positions will make a right - angled triangle and the hypotenuse of that triangle will be the direct distance between them at 3 pm. Now, travel time from 1 pm to 3 pm is 2 hours.

So, distance covered towards North = 150 x 2 = 300 miles and towards west = 200 x 2 = 400 miles.

Therefore, their direct distance = (3002 + 4002)1/2 = (90000 + 160000)1/2 = 2500001/2 = 500 miles.

319 . If x + 2y = 4, and x/y = 2 then determine the value of x and y.

A. 1, 2
B. 2, 4
C. 2, 1
D. 3, 4

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Answer: Option C

Explanation:

320 . If x = -1, then - (x4 + x3 + x2 + x) =

A. - 10
B. - 4
D. 4
E. 10

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Answer: Option C

Explanation:

321 . If x = -1, then x6 - x5 + x3 + x2 - x1 - x =?

A. -3/2
B. -1/2
C. 1
D. 2
E. None of these

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Answer: Option E

Explanation:

322 . If x = -1, which of the following has the largest value?

A. 2x
B. 4x
C. 8x
D. x/2
E. x/4

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Answer: Option E

Explanation:

1. 2×(-1)=-2

2. 4×(-1)=-4

3. 8×(-1)=-8

4. -½=-0.5

5. -¼=-0.25 (largest value).

323 . If x = 5y = 16 and x = -3, then the value of y is--

A. -24
B. -8
C. -2
D. 2
E. -0.6

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Answer: Option E

Explanation:

x = 5y = 16

5y = 16

y = 16/5 = 3.2

Again, 5y = x = - 3

y = - 3/5 = - 0.6

সঠিক উত্তর অপশনে নাই

324 . If x and (x + 11)/2 are integers, which of the following must be true? i. x is odd ii. x is a multiple of 9 iii. (x + 9)/2 is an integer

A. i only
B. ii only
C. iii only
D. i and ii
E. i and iii

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Answer: Option E

Explanation:

x odd হলেই x + 11 even হবে। তাই 2 দিয়ে ভাগ যাবে।

Similarly, x + 9, 2 দ্বারা বিভাজ্য।

but x, 9 এর. multiple হতে পারে but must নয়।

325 . If x and y are consecutive positive integers, which of the following must be an even integer ?

A. x
B. y
C. xy/2
D. x/y
E. xy

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Answer: Option E

Explanation:

As x and y are consecutive positive integers. Let , x = 1 and y = 2,

As we know that, odd × even = even

so, xy = 1×2 = 2

Bangladesh Bank - Assistant Director - 2013 ||

A. x - 1
B. x + 1
C. x + 2
D. 2x + 2

View Answer	Favorite Question

Answer: Option D

Explanation:

327 . If x is the average (arithmetic mean) of m and 9, y is the average of 2m and 15, and z is the average of 3m and 18, What is the average of x, y and z in terms of m?

A. m+6
B. m+7
C. 2m+14
D. 2m+14

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Answer: Option B

Explanation:

328 . if y/x = 1/3 and x + 2y = 10, then x is--/যদি y/x = 1/3 এবং x + 2y = 10 হয় তাহলে x = ?

A. 2
B. 3
C. 4
D. 6

View Answer	Favorite Question

Answer: Option D

Explanation:

Y/X = 1/3

বা, x = 3

এখন, x + 2y = 10

3y + 2y = 10

5y = 10

y = 10/8 = 2

x = 3 × 2 = 6

329 . In 1990, Hotel Seagull earned TK. 5 million in tourist revenue. By 2000, tourist revenue doubled and in 2010, it reached the sum TK. 20 million. Each of the following , if true , may explain the trend in tourist revenue except :

A. The number of total hotel rooms has increased
B. The number of tourist has increased from 1990 to 2010
C. Average stay per tourist has increased
D. The average price of tourist services has increased
E. Average expenditure per tourist has increased

View Answer	Favorite Question

Answer: Option A

Explanation:

To explain the trend in tourist revenue from 1990 to 2010, we need to identify the option that does not provide a plausible explanation. Let's analyze the options provided:

A. The number of total hotel rooms has increased.
This can be a possible explanation for the increase in tourist revenue. If the number of hotel rooms has increased, it suggests that there is more accommodation available for tourists, potentially attracting more visitors and generating higher revenue.

B. The number of tourists has increased from 1990 to 2010.
This can be a possible explanation for the increase in tourist revenue. If the number of tourists has increased over time, it indicates a larger customer base, which can contribute to higher revenue.

C. Average stay per tourist has increased.
This can be a possible explanation for the increase in tourist revenue. If the average stay per tourist has increased, it implies that tourists are spending more time at the hotel, which can lead to higher revenue.

D. The average price of tourist services has increased.
This can be a possible explanation for the increase in tourist revenue. If the average price of tourist services has increased, it suggests that tourists are paying more for their accommodations or other services, resulting in higher revenue.

E. Average expenditure per tourist has increased.
This can be a possible explanation for the increase in tourist revenue. If the average expenditure per tourist has increased, it indicates that tourists are spending more money on various services, contributing to higher revenue.

Based on the analysis, there is no option that does not provide a plausible explanation for the trend in tourist revenue. Each of the options can potentially explain the increase in revenu

Bangladesh Bank - Assistant Director - 2011

A. 3200
B. 1200
C. 2400
D. 4800
E. None of them

View Answer	Favorite Question

Answer: Option D

Explanation:

(Rahim + karim)/2 + (Karim + ripon)/2 + (Ripon + Rahim)/2 = 3800 + 4800 + 5800
So, (Rahim + Karim + Ripon)/3 = 14400/3 = 4800

Bangladesh Bank - Assistant Director - 2012

316 . If Tk. 5,000 is invested at 12% annual rate of interest, how much will the investment be worth after 2 years?

317 . If Tk.1000 is invested in a account paying 10% compounded monthly, how much would be the nearest ending balanced at end of 10 years?

318 . If two planes leave the same airport at 1:00 pm, how many miles apart will they be at 3:00 pm if one travels directly north at 150 mph and the other travels directly west at 200 mph?

319 . If x + 2y = 4, and x/y = 2 then determine the value of x and y.

320 . If x = -1, then - (x4 + x3 + x2 + x) =

321 . If x = -1, then x6 - x5 + x3 + x2 - x1 - x =?

322 . If x = -1, which of the following has the largest value?

323 . If x = 5y = 16 and x = -3, then the value of y is--

324 . If x and (x + 11)/2 are integers, which of the following must be true? i. x is odd ii. x is a multiple of 9 iii. (x + 9)/2 is an integer

325 . If x and y are consecutive positive integers, which of the following must be an even integer ?

326 . If x is an integer, then which of the following is always an even integer?

327 . If x is the average (arithmetic mean) of m and 9, y is the average of 2m and 15, and z is the average of 3m and 18, What is the average of x, y and z in terms of m?

328 . if y/x = 1/3 and x + 2y = 10, then x is--/যদি y/x = 1/3 এবং x + 2y = 10 হয় তাহলে x = ?

329 . In 1990, Hotel Seagull earned TK. 5 million in tourist revenue. By 2000, tourist revenue doubled and in 2010, it reached the sum TK. 20 million. Each of the following , if true , may explain the trend in tourist revenue except :

330 . In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of the annual incomes of Karim and Ripon was Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ?

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