Bank Math

A mango kept in a basket doubles in every one minute. If the basket gets completely filled in 30 minutes, then in how many minutes will half of the basket be filled?

A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in :

Melissa is four times as old as Jim. Pat is 5 years older than Melissa. If Jim is y years old, how old is Pat?

P works twice as fast as Q. If Q can complete a work in 12 days independently, the number of days in which P and Q can together finish the work is -

The displacement of a particle S at time/is modelled by S = 10t - t². Find the displacement after 2 seconds.

What is the sum of the numbers from 1 to 99?

In the triangle, what is the value of x? 

What will be the difference in taka between simple and compound interest at 10% on a sum of TK. 1000 after 4 years?

A petrol tank that is 1/2 full has 8 gallons petrol removed. The tank is then 1/10 full. What is the capacity, in gallons of the tank?

30 pens and 75 pencils altogether were purchased for Tk. 510. If the average price of a pencil was Tk 2, what was the average price of a pen?

A wall 8m long, 6m high and 22.5cm thick is made up of bricks, each measuring 25cm × 11.25cm × 6cm. The number of bricks required was-

A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?

If x + (1/x) = 3, then x - (1/x) =?

If A > B, B > C and C > D, then which of the following conclusions is definitely wrong?

If Kabir loses 8 pounds, he will weigh twice as much as his sister. Together they now weigh 278 pounds. What is Kabir’s present weight, in pounds?

If two non-zero positive integers p and q are such that p = 4q and p < 8, then q = ?

Given 16^x = 4⁴, what is x?

Topu's income is Tk.2,000 more than that of Jamal. Their total salary is Tk.x. What is Jamal's salary?

What is the square root of 0.16?

What is the next term in the sequence 4, 9, 6,11, 8, 13, …….?