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

Keys lebelled F1 to F12 are .... keys.

Which technology is used by cryptocurrencies?

Short cut to save a file is-

Which of the following is the strongest password?

RTGS is a-

Which one of the following is an example of an Operating System?

The smallest unit in a digital system is a-

A computer cannot do anything without a-

Which of the following is not computer hardware?

The command to reboot a computer is - 

.In a group of 135 persons, 50% people contributed tk. 40 each, 30% contributed Tk. 60 each and the remaining persons contributed Tk. 80. Find the average contribution for the group.

If 1 is added to the numerator of a fraction, the fraction becomes 1. If 1 is added to the denominator, the fraction becomes $\frac{1}{2}$Find the fraction.

The cost of 9 mangoes and 5 apples is equal to the cost of 7 mangoes and 8 apples. Find the ratio between the cost of 1 mango and the cost of one apple.

A shopkeeper has sufficient money to buy 50 books. On reduction in the price of each book by Tk. 4, he could buy 10 books more. How much money does he has?

A man deposits certain amount in his bank account. After a few days. he withdraws half of the money deposited and deposits Tk. 500 more. If he has a balance of Tk. 2000 in his bank account, find the amount deposited initially.

A worker earns Tk. 250 on the first day and spends tk. 200 on the second day, earns Tk. 250 on the third day and again spends Tk. 200 on the fourth day and so no. On which day would he have had Tk. 1000?

The length of one side of a square inscribed in a circle is 2. What is the area of the circle?

If 4% of (P + Q) are 8 and P is a positive integer. What is the greatest possible value of Q?

Income of A is 25% less than B. What percent B's income would be more than A?

If a rectangle's length and width are both doubled, by what percent is the rectangle's area increased?