2791 . Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D?

A. $10 \sqrt{20} k m$
B. $10 \sqrt{10} k m$
C. $20 \sqrt{10} k m$
D. $30 \sqrt{10} k m$

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Answer: Option B

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সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (10-11-2023) || 2023

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2792 . Poppy flipped a coin three times and got heads each time. What is the probability that she gets heads on the next flip?

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

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Answer: Option C

Explanation:

মুদ্রাকে একবার নিক্ষেপে Head উঠার সম্ভবনা = 1/2

অতএব, একটি কয়েনকে 3 বার নিক্ষেপের পর

পরের বার অর্থাৎ ৪র্থ বার নিক্ষেপে

Head উঠার সম্ভবনা = 1/2

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প্রবেশনারি অফিসার | 02-04-2022

A. 3
B. 6
C. 7.5
D. 10

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Answer: Option D

Explanation:

Here, Samiras age = 20 years

Farzana age = ( 20×3) years = 60 years

Let, x years age Farzana was five times of Samira

According to question,

(20 - x) 5 = 60 - x

100 - 5x = 60 - x

4x = 40

x = 10

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বাংলাদেশ ব্যাংক || অফিসার (ক্যাশ) (21-07-2023)

A. 3
B. 10
C. 7.5
D. 6
E. None of these

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Answer: Option B

Explanation:

Here, Samiras age = 20 years

Farzana age = ( 20×3) years = 60 years

Let, x years age Farzana was five times of Samira

According to question,

(20 - x) 5 = 60 - x

100 - 5x = 60 - x

4x = 40

x = 10

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2795 . Present ages of Samad and Akmal are in the ratio of 5:4 respectively . Three years later ,the ratio of their ages will become 11:9 respectively . What is akmals present age in years ?

A. 24
B. 27
C. 29
D. 40
E. None

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Answer: Option A

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Probationary Officer | 31.03.2017 ||

A. None

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Answer: Option A

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

A. 25%
B. 24%
C. 26%
D. 30%

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Answer: Option B

Explanation:

Let, the price of product be 100

and then after first discount price becomes = 100 - 20 = 80 tk

and then again it is discounted by = 5% of 80 = 4 tk

so price of telvision becomes = 80 - 4 = 76 tk

So,The ultimate discount is = 100 - 76 = 24 tk

ans: 24%

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2798 . Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q's age?

A. 2
B. 5
C. 25
D. Cannot be determined
E. None of these

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Answer: Option E

Explanation:

Given that,

1. The difference between R and Q = The difference of age between Q and T

2. Sum of age of R and T is So l.C [RTT = 50]

Question : R - Q = ?

R - Q = Q - T

(R + T) = 2Q

Now given that, RTT = 50

So, 50 = 2Q and Q = 25

Question is R - Q = ?

Here we know the age of Q, but not of R

There for R - G can not be determined.

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2799 . Quantity A : 1 - 1/27 and Quantity B : 8/9 + 1/81--

A. Quantity in A is greater
B. Quantity in B is greater
C. The two quantities are equal
D. The relationship indeterminate

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Answer: Option A

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2800 . Quantity A = (9/13)2 and Quantity B = (9/13)1/2

A. Quantity A is equals Quantity B
B. Relationship indeterminate
C. Quantity B is greater
D. Quantity A is greater

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Answer: Option C

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Bangladesh Bank - Assistant Director - 2009

A. Quantity B is greater
B. Quantity A equals Quantity B
C. Quantity A is greater
D. The relationship indeterminate

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Answer: Option C

Explanation:

A = 4/100 = 1/25 = . 04

B = 0.012/3 = 0.004

A > B

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Bangladesh Bank - Assistant Director - 2009

A. Quantity A is greater
B. Quantity A equals Quantity B
C. Quantity B is greater
D. Relationship indeterminate
E. None of these

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Answer: Option C

Explanation:

A = 95/50 = 19/10 = 1 9/10

and, B = 125/60 = 2 5/60.

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Bangladesh Bank - Assistant Director - 2009

A. Quantity in A is greater
B. Quantity in B is greater
C. The two quantities are equal
D. The relationship indeterminate
E. None of these

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Answer: Option B

Explanation:

A = rs/r = s

B = rs/s = r.

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Bangladesh Bank - Assistant Director - 2009

A. R
B. S
C. M
D. None of these

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Answer: Option A

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2805 . r>s>0; Quantity A = rs/r and Quantity B = rs/s

A. Quantity in A is greater
B. Quantity in B is greater
C. The two quantities are equal
D. The relationship indetermine

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Answer: Option B

Explanation:

A = rs/r = s

B = rs/s = r

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2792 . Poppy flipped a coin three times and got heads each time. What is the probability that she gets heads on the next flip?

2793 . Present age of Fariha is thrice the present age of Samira who is 20. How many years ago was the age of Fariha five times that of Samira?

2794 . present age of Farzana is thrice the present age of Samira who is 20. How many years ago were the age of Farzana five times that of Samira?

2795 . Present ages of Samad and Akmal are in the ratio of 5:4 respectively . Three years later ,the ratio of their ages will become 11:9 respectively . What is akmals present age in years ?

2796 . Price of 2 pencils is less than 20% of price of a pen. What is the ratio of the price of a pen to that of a pencil?

2797 . Price of a product is discounted by 20% and the reduced price is then discounted by 5%. The ultimate discount is:

2798 . Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q's age?

2799 . Quantity A : 1 - 1/27 and Quantity B : 8/9 + 1/81--

2800 . Quantity A = (9/13)2 and Quantity B = (9/13)1/2

2801 . Quantity A = 4/100 and Quantity B = 0.012/3

2802 . Quantity A = Time to travel 95 miles at 50 miles per hour ; and Quantity B = Time to travel 125 miles at 60 miles per hour .

2803 . r > s > 0 ; Quantity A = rs / r and Quantity B = rs / s

2804 . R is the brother of S and M is the father of R J is the brother of P and P is the daughter of S. Who is the uncle of J?

2805 . r>s>0; Quantity A = rs/r and Quantity B = rs/s

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