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Bangladesh Bank Officer General - 2022

বাংলাদেশ ব্যাংকের অফিসার জেনারেল - ২০২২ এর গণিত প্রশ্ন ব্যাংক এবং ব্যাখ্যা সহ সমাধান। পরীক্ষা শেষ করার জন্য আপনার কাছে ৩০ মিনিট সময় থাকবে এবং আপনি যদি নির্দিষ্ট সময়ের মধ্যে কোনো প্রশ্নের উত্তর না দেন তবে তা ভুল বলে বিবেচিত হবে। কুইজে পাস করার জন্য আপনাকে ন্যূনতম ৫০% নম্বর পেতে হবে। পরীক্ষায় অংশগ্রহণ করতে "START" বোতাম টিপুন।

Unitary method

1 / 20

An employee may claim Tk. 7 for each kilometer when he travels by taxi and Tk. 6 for each kilometer when he drives his own car. If in one week he claimed Tk. 900 for traveling 135 km, how many kilometers did he travel by taxi?

2 / 20

The measurement of a rectangle is 16 feet by 12 feet. What is the area of the smallest circle that can cover this rectangle entirely (so that no part of the rectangle is outside the circle)?

Mensuration

3 / 20

The perimeter of a rectangle is 200 meters. The breadth is 3/7 part of the length. What is the length?

Percentage

4 / 20

A natural number when increased by 12, equals 160 times reciprocal. The number is-

5 / 20

A salesman receives daily wage of Tk. 250 and earns a commission of 15% on all sales he makes. How much taka worth of sales does he need to make in order to bring his total daily income of Tk. 1000?

6 / 20

212+212+212+212 =?

Ages

7 / 20

In a family, the father took 1/4 of the cake and had 3 times as much as each of the other members had. The total number of family member is-

Basic Concept

8 / 20

There are two numbers where the sum of twice the first number and thrice the second number is 100. And the sum of thrice the first number and twice the second number is 120. Which is the largest number?

Profit and loss

9 / 20

X sells an item to Y at a profit of 28% on his cost and Y sells the same item to Z at a loss of 25% on his cost. If Y thus sold the item to Z a Tk. 2 less than the item to X, then what is the cost of the item to X?

Train & Speed

10 / 20

A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 hour less for the same journey. Find the speed of the train.

Ratio & Proportion

11 / 20

In the figure, DE is parallel to BC. If the area of a triangle ADE is half that of trapezoid DECB, what is the ratio of AE to AC?

Percentage

12 / 20

A school has a total of 90 students. There are 30 students taking Physics, 25 taking English, and 13 taking both. Approximately what percentage of the students is taking either Physics or English?

13 / 20

The mean of the data set of 1000 items is 5. From each item 3 is subtracted and then each number is multiplied by 2. The new mean will be-

Simple & Compound interest

14 / 20

The interest charged on a loan is ‘P’, per Tk, 1000 for the first quarter (3 months), and 'Q' per Tk. 1000 for each month after the first quarter. How much interest will be charged for the first year on Tk. 10,000?

Probability

15 / 20

In a group of buffaloes and ducks, the number of legs is 24 more than twice the number of heads. What is the number of buffaloes?

16 / 20

A man's investment doubles in every 5 years. If he invested Tk. 5,000 in each of the years 2010, 2015, 2020 then what will be the amount received by him in 2025?

17 / 20

Which of the following is not equal to 0.0675?

Average

18 / 20

The average temperature for the first 4- days of a week is 40.2-degree Celsius and that of the last 4 days is 41.3-degree Celsius If the average temperature for the whole week is 40.6-degree Celsius then the temperature on the fourth day is -

19 / 20

If (3x + 2y) = 8 and (2x - 2y) = 2, then find the value of (4 - 3x)

Average

20 / 20

In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, then the present age of B is

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