3616 . What id the value of 0.4 X 0.04 X 0.004 X 40 ?

A. 0.00256
B. 0.000256
C. 0.0256
D. 2.56

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Answer: Option A

Explanation:

.4 ×. 04 ×. 004 × 40

= ( 4 × 04 × 004 × 40) /( 10 × 100 × 1000)

= 256/100000

= 0.00256

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3617 . What is 1 percent of 0.025?

A. 0.025
B. 0.0025
C. 0.00025
D. 0.000025

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Answer: Option C

Explanation:

1 % of 0.025

= 1/100 of 0.025

= 0.01 of 0.025

= 0.00025.

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Bangladesh Bank - Assistant Director - 2008

A. 0.006%
B. 0.6%
C. 6%
D. 60%

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Answer: Option B

Explanation:

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3619 . What is 25% of 13/50 of 200?

A. 11
B. 12
C. 13
D. None of these

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Answer: Option C

Explanation:

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3620 . What is 2x% of 50?

A. x
B. x/25
C. 2x/50
D. None of these

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Answer: Option A

Explanation:

Hints :

2x % of 50 = 50× 2x/100 = x

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3621 . What is 30% of 11/45 of 150?

A. 11
B. 12
C. 13
D. None of these

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Answer: Option A

Explanation:

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3622 . What is 35% of 11/56 of 160?

A. 14
B. 12
C. 11
D. 10

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Answer: Option C

Explanation:

35% of 11/56 of 160

= 35100×1156×16035100×1156×160

= 11

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3623 . What is of an hour is a second?

A. 0.0025
B. 0.0256
C. 0.000126
D. 0.00027

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Answer: Option D

Explanation:

To find out what fraction of an hour a second is, you can set up the following calculation:

Number of seconds in an hour / Number of seconds in a second

There are 60 seconds in a minute, and 60 minutes in an hour, so:

Number of seconds in an hour = 60 seconds/minute * 60 minutes/hour = 3600 seconds

Now, calculate the fraction:

Number of seconds in a second = 1 second

Fraction = 1 second / 3600 seconds = 1/3600

So, a second is 1/3600th of an hour.

To express it as a decimal, divide 1 by 3600:

1 / 3600 ≈ 0.00027777777 (rounded to six decimal places)

So, a second is approximately 0.00027777 of an hour.

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3624 . What is perimeter of square, if its area 400sq-m.

A. 40m
B. 80m
C. 20m
D. 20sq-m

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Answer: Option B

Explanation:

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পল্লী বিদ্যুতায়ন বোর্ড। এসিস্ট্যান্ট এনফোর্সমেন্ট কোঅডিনেটর। 31-12-2021

A. 5/79
B. 2/27
C. 5/81
D. 6/79

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Answer: Option C

Explanation:

To find the probability that an integer selected at random from those between 20 and 100 inclusive is a multiple of 15, we first need to count the number of multiples of 15 in that range and then divide it by the total number of integers in that range.

Step 1: Find the number of multiples of 15 between 20 and 100.

The first multiple of 15 in that range is 15 itself. The last multiple of 15 in that range is 90.

So, we need to count how many multiples of 15 are there between 15 and 90.

Using the formula for counting multiples in a range:

Number of multiples = (Last multiple - First multiple) / Common multiple

Number of multiples = (90 - 15) / 15 = 75 / 15 = 5

There are 5 multiples of 15 between 20 and 100.

Step 2: Find the total number of integers between 20 and 100.

To find the total number of integers in that range, we subtract the lower bound (20) from the upper bound (100) and add 1.

Total number of integers = 100 - 20 + 1 = 81

Now, we can calculate the probability:

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Probability = (Number of multiples of 15) / (Total number of integers) = 5 / 81

So, the probability that an integer selected at random from those between 20 and 100 inclusive is a multiple of 15 is 5/81.

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

A. TK. 700
B. Tk. 800
C. Tk. 650
D. cannot be determined

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Answer: Option D

Explanation:

As short - cut of installment for 2 installments is given by
Installment = P/{(100/100 + R) + (100/100 + R)2}
There is the need of rate (R) which is unavailable in the question.
So, we cannot determine the answer.

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

A. Tk. 62.50
B. Tk. 46.875
C. Tk. 83.33
D. none of these

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Answer: Option B

Explanation:

I=pnr

=500×¾×(12.5/100)

=46.875 taka

(ans)

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3628 . What is the annual interest rate on an account that carns Tk. 948 in simple interest over 36 months with an initial deposit of Tk. 7900?

A. 40%
B. 4%
C. 3%
D. 3.3%

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Answer: Option B

Explanation:

I = P*n* r

n = 36months = 3 years

r = ?

Here, 948 = 7900 * 3 * r

r = 4 %

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সহকারী পরিচালক(AD) -12.11.2021

A. 10
B. 100
C. 200
D. None of these

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Answer: Option B

Explanation:

Side of the square = 40 / 4 = 10 m [ Perimeter of square = 4 x side length]

So, area of the square = 10² = 100 m²

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3630 . What is the area of a circle with aradious of 7 meters?

A. 154 sq. meters
B. 160 sq. meters
C. 185 sq. meters
D. 162 sq. meters

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Answer: Option A

Explanation:

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3616 . What id the value of 0.4 X 0.04 X 0.004 X 40 ?

3617 . What is 1 percent of 0.025?

3618 . What is 10% of 20% of 30%

3619 . What is 25% of 13/50 of 200?

3620 . What is 2x% of 50?

3621 . What is 30% of 11/45 of 150?

3622 . What is 35% of 11/56 of 160?

3623 . What is of an hour is a second?

3624 . What is perimeter of square, if its area 400sq-m.

3625 . What is probability than an integer selected at random from those between 20 ans 100 inclusive is a multiple of 15?

3626 . What is the amount of equal installment , if a sum of TK. 1428 due 2 years hence has to be completely has to be completely repaid in 2 equal annual installments starting next year?

3627 . What is the amount of interest on Tk. 500 invested for nine months at the rate of 12.5% per annum ?

3628 . What is the annual interest rate on an account that carns Tk. 948 in simple interest over 36 months with an initial deposit of Tk. 7900?

3629 . What is the are a of a square (in sq. meter) if its perimeter is 40 meter ?

3630 . What is the area of a circle with aradious of 7 meters?

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