3901 . How many of the integers between 110 and 120 are prime numbers ?

B. 1
C. 2
D. 3
E. 4

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Answer: Option B

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Bangladesh Bank - Assistant Director - 2011

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3902 . How many multiples of 7 are there between 100 and 150?

A. 7
B. 9
C. 16
D. 4

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Answer: Option A

Explanation:

7 multiples and those are 105,112,119,126,133,140,147

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সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 ||

A. 13.33
B. 15
C. 20
D. 40

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Answer: Option A

Explanation:

সময় = 10.15 - 9.55 = 20 মিনিট = 1/3 ঘণ্টা

∴ প্রয়োজনীয় দূরত্ব = গতি × সময় = 40 × 1/3 = 13.33 miles

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সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022

A. HM
B. H/M
C. M/H
D. H/2M

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Answer: Option C

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Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018

A. 25
B. 40
C. 50
D. 60
E. None of them

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Answer: Option D

Explanation:

There are 6 digits among them 2 threes and 3 fours in them total numbers = 6!/(2!x3!) = 60

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Bangladesh Bank - Assistant Director - 2012

A. 20 °
B. 120 °
C. 60 °
D. 100 °
E. 90 °

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Answer: Option B

Explanation:

The minute hand of a clock completes a full revolution of 360 degrees in 60 minutes, which means it moves 360 degrees in an hour.

To determine how many degrees the minute hand moves in 20 minutes, we can calculate the fraction of a full revolution that corresponds to 20 minutes.

20 minutes is one-third of an hour since 20 minutes / 60 minutes = 1/3.

Therefore, the minute hand moves one-third of a full revolution, which is one-third of 360 degrees:

(1/3) * 360 degrees = 120 degrees.

So, the minute hand moves 120 degrees in 20 minutes.

The correct answer is B. 120°.

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Probashi Kallyan Bank-Officer (Cash)-25-09-2021

A. 4
B. 2
C. 5
D. 6

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Answer: Option D

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Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018

A. 11
B. 20
C. 80
D. 70
E. 10

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Answer: Option B

Explanation:

1 to 100 "8" will come : 8, 18, 28, 38, 48, 58, 68, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 98 = 20

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Bangladesh Bank - Assistant Director - 2013 ||

A. Tk.10350
B. Tk.10395
C. Tk.10500
D. Tk.11500
E. Tk.12705

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Answer: Option B

Explanation:

a+b+(ab)/100

=10+5+(10×5)/100

=15.5%

Again,

a'+b'+(ab)'/100

=15.5-10-(15.5×10)/100

=3.95%

So, 10000+(10000×3.95%)=10395

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3910 . From a group of 7 men and 6 women, five persons are to be selected to from a committee so that at least 3 men are there on the committee. In how many ways can it be done ?

A. 564
B. 645
C. 735
D. 756
E. 749

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Answer: Option D

Explanation:

Hence, the answer total number of ways to form a 5 member committee is 756.

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Bangladesh Bank - Assistant Director - 2011

A. 14
B. 18
C. 21
D. 28
E. None

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Answer: Option E

Explanation:

(0.1 × 0.01 × 0.001) / ( 0.2 ×0.02 × 0.002)

= 1/8

= 0.125

সঠিক উত্তর অপশনে নাই

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3912 . Everyone has their morning beverages differently . Rumana and Deepti both take sugar in their drinks. Rumana, Osman and Mahboob all drink tea while the other three drink coffee. Masud and Mahboob have milk in their beverages . Those who don't add anything , take their beverages black. What does Waquar drink ?

A. Tea with sugar
B. Coffee with milk
C. Black tea
D. Coffee with sugar
E. Black coffee

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Answer: Option E

Explanation:

From the given information, we can create a table to organize the data:

Name Beverage Sugar Milk

Rumana Tea Yes No

Deepti Coffee Yes No

Osman Tea No No

Mahboob Tea No Yes

Masud Coffee No Yes

(Unknown) Coffee/Tea ? No

We need to determine what Waquar drinks, and whether they add sugar and/or milk to their beverage. We can see that there are only two people left who have not been assigned a type of beverage: Waquar and the unknown person. Since Rumana, Osman, and Mahboob all drink tea, we can assume that the unknown person drinks coffee. This means that Waquar also drinks coffee, since all six people drink either tea or coffee.

Now we need to determine whether Waquar takes sugar and/or milk in their coffee. From the information given, we know that Deepti takes sugar in her coffee, and Mahboob and Masud have milk in their beverages. There is no information given about whether Waquar takes sugar or milk in their coffee, so we cannot determine this with certainty. Therefore, the answer is that we do not know whether Waquar takes sugar and/or milk in their coffee. We only know that they drink coffee

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Bangladesh Bank - Assistant Director - 2013 ||

A. 1/3
B. 1/4
C. 1/2
D. 1/5

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Answer: Option C

Explanation:

Evidently, 1/3 full jar is of the lesser capacity as 1/3 is greater than 1/4. As equal amount of water was poured into each jar, pouring water from the jar of lesser capacity to the larger jar will make the amount of water in the larger jar to get doubled.

Therefore, the fraction of larger jar filled with water will be = 2 x 1/4 = 1/2

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প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021

A. 18
B. 19
C. 20
D. 16
E. 17

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Answer: Option E

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3915 . Due to the recession, a show room reported that revenue from luxury car sales were down by 11% and revenue from economy car sales were up by 7%. If the total revenue were up by 1% then what is the ratio of revenue from luxury car sales to revenue from economy car sales?

A. 3 : 2
B. 11 : 7
C. 4 : 5
D. 1 : 2
E. None of these

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Answer: Option D

Explanation:

Let the usual revenues be L and E respectively. So, total usual revenue is (L + E).

New revenue from luxury car sales = L - 11% of L = L - 0.11L = 0.89L

New revenue from economy car sales = E - 7% of E = E - 0.07E = 1.07E

New total revenue = 0.89L + 1.07E

ATQ, {(0.89L + 1.07E) - (L + E)} / (L + E) = 1/100

or, 100(0.89L + 1.07E - L - E) = L + E

or, 100(0.07E - 0.11L) = L + E

or, 7E - 11L = L + E

or. 11L + L = 7E - E

or, 12L = 6E

or, L/E = 6/12 = 1/2

or, L : E = 1 : 2

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3901 . How many of the integers between 110 and 120 are prime numbers ?

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3902 . How many multiples of 7 are there between 100 and 150?

3903 . How many miles can motorist travel from 9.55 am to 10:15 am at a speed of 40 miles per hour?

3904 . How many hours will it take a man to travel M miles at miles at the rate of H miles per hour?

3905 . How many different six-digit numbers can be formed using all of the following digits : 3, 3, 4, 4, 4, 5 ........

3906 . How many degrees does a minute hand move in 20 minutes?

3907 . How many bits string of length 4 are possible such that they contain 2 ones and 2 zeroes ?

3908 . How many "8" will you pass on the way when you count from 1 to 100 ?

3909 . Harun invested Tk,10000 in Grameen Mutual Fund account exactly 3 years ago. The value of the account increased by 10% during the first year, increased by 5% in the second year and decreased by 10% during the third year. What is the value of the account today?

3910 . From a group of 7 men and 6 women, five persons are to be selected to from a committee so that at least 3 men are there on the committee. In how many ways can it be done ?

3911 . Find the value of (0.1 × 0.01 × 0.001) ÷ (0.2 × 0.02 × 0.002)

3914 . Eight years ago Mr. Karim was 1/3 th the age he will be after 10 years. What is his age now?

3915 . Due to the recession, a show room reported that revenue from luxury car sales were down by 11% and revenue from economy car sales were up by 7%. If the total revenue were up by 1% then what is the ratio of revenue from luxury car sales to revenue from economy car sales?

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