Bank Math

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?

What is the purchase price of an article if the profit by selling it for tk 250 is 25%

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

In a Bank, 30% of the applicants are from Rajshahi district and 20% of them from Rajshahi city. What percent of the total applicants are from Rajshahi city?

If 7x + 3y = 17 and 3x + 7y = 19, what is the average of x and y?

When x is divided by 7, the remainder is 6. Which of the following must be an even number?

Find the highest common factor of 36 and 84.

4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

A tank can be filled with water by two pipes A and B together in 36 minutes. If the pipe B was stopped after 30 minutes, the tank is filled in 40 minutes. The pipe B can along fill the tank in:

An investor earns 3% return on (1/4)^th of his capital, 5% on (2/3)^rd and 11% on the reminder. What is the average rate of return he earns on his total capital?

The sum of the first five prime number is:

If CAT is coded as 3120, how will DOG be coded?

A train crossed a platform in 45 seconds travelling with a speed of 36 km/h. If the length of train is 200 meters, then what will be the length (in meters) of the platform?

Which of the numbers below is not equivalent to 2%?

What is the parameter of a rectangle that is 24 meter wide and has the same area as another rectangle that is 64 meter long and 48 meter wide?

Which of the following can be arranged into a 5 -letter English word?
A. HRGST B. RILSA C. TOOMT D. WQRGS

A jar contains white, red and green marbles in the ratios 2 : 3 : 5. Six more green marbles are added to the jars and the ratio becomes 2 : 3 : 7. How many white marbles are there in the jar?

Nobody believes a man who lacks confidence in his ability. None should sit idle and shirk his duty on the plea that it is beyond his power to do without the help of others. Such a man always falls behind. He meets failures and suffers in the long run. So dependence on others is a great curse. The above passage suggests that everyone should possess the virtue of

The average height of girls in a class is 5ft and that of boys is 5.7ft. If the average height of the students in class is 5.5 ft what could be the possible strength of boys and girls respectively in the class:

If a ladder touches the roof of a wall and makes an angle of 45° with the 15 metre long wall, then the length of the ladder is-