Bank Math

A bag and a book costs BDT 1100. If the bag costs 1000 more than the book, how much does the book cost?

X is west of Y and Y is North of Z. M is south of X. Which direction is M to Z?

If the ratio of the area of a sector to the area of a circle is 3:5, what is the ratio of the length of the arc of the sector to the circumference of the circle?

The population of bacteria in an experiment was only two in the first day. If each day the population increases by 3, what will be the number of bacteria in 100th day?

If C occupies the 1st chair, who could occupy the fourth chair?

Due to a reduction in books price by 10%, the number of books sold increased by 35%. What was the percentage increase in revenue?

A 250-meter-long train passes a person in 10 seconds. The person was running at 5 km/hr in the opposite direction of the train. What is the speed of the train in km/hr?

How many integers from 1 to 1000 are divisible by 30 but not by 16?

A buzzer sounds every 15 minutes. If the buzzer sounded at 12.40, which of the following could be a time at which the buzzer sounded?

A boat sailing against a stream of river takes 6 hours to travel 24 kms while sailing with the stream it takes 4 hours to travel the same distance. What is the speed of the stream?

The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the two new students who joined the group?

Find the LCM of (1 - a)², (1 - a), (a - 1)².

A rectangular plot of land has a fence along three of its four sides, the unfenced side and the side opposite the unfenced side have a length that is three times the length of the other two sides. If the area of the plot is 432 square feet, what is the total length of the fence is feet?

 

Walking three-fourth of his normal speed, Rafi is 16 minutes late in reaching his office. The usual time taken by him to cover the distance between his home and office.

3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?

A person saves Tk. 5,000 in his bank account. If the bank gives 10% annual profit, how will be his balance after 6 years ?

30% of apples out of 450 are rotten. How many apples are in good condition?

The dimensions of a box are 2,3 and 4 meters. the cost of painting the outer sides of the box at the rate of tk. 3 per square meter is ___

From a total of 4 engineers and 6 technicians, a team of 3 has to be made, with at least 1 engineer. How many such teams are possible?