Bank Math

A room of size 5m × 3m and height 3m requires walls and ceiling painting. What is the area to be painted?

Ten years ago, A was half of B in age. If the ratio of their present ages is 3:4, then what will be the total of their present ages?

The amount of time that three secretaries worked on a special project are in the ratio of 1 to 2 to 5. If they worked a combined total of 112 hours, how many hours did the secretary who worked the longest spend on the project?

Which of the following terms does not describe the number 9?

If 50% of x equals the sum of y and 20, then what is the value of x - 2y?

Mr. Farhan and Mr. Rafiq start walking in the park along a circular track from opposite directions at 6:30 am. If they walk at speeds of 2 rounds per hour and 3 rounds per hour respectively, how many times will they cross each other by 8.00 am?

A lamp is manufactured to sell for $ 35.00, which yields a profit of 25% of cost. If the profit is to be reduced to 15% of the cost, what will be the new retail price of the lamp?

What is the rate of simple interest for the first 4 years if the sum of Tk. 360 becomes Tk. 540 in 9 years and the rate of interest for the last 5 years is 6%?

Twenty-seven persons attended a party. Which one of the following statements can never be true?

The monthly incomes of two persons are in the ratio 4 : 5 and their monthly expenditures are in the ratio of 7 : 9. If each saves BDT 50 per month, find their monthly income.

Denominator of a proper fraction is 3 more than the numerator. If the fraction is squared, its denominator will be 39 more than the numerator. The fraction is

P is now 8 years older than Q. 17 years ago P was twice as old as Q. How old will Q be in 10 years?

The sum of first 17 terms of the series 5, 9, 13, 17, ...

A shopkeeper purchases 15 mangoes for Tk. 10 and sells them at 10 mangoes for Tk. 15. Thus, he earns a profit of ___ .

If the sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is

The smallest number added to 680621 to make the sum a perfect square is:

Salma's average in four tests is 80%. What mark does she need to score in her fifth test to make her average 84%? 

The solutions of 2x² + 3x - 2 = 0 are

Quantity A = (- 6)⁴ and Quantity B = (- 6)⁵