Masum can do a job in 2 hours. Hashem can do the same job in 3 hours. If they work together , how many hours will it take to do the job?

An empty bucket being filled with paint at a constant rate takes 6 minutes to be filled to of its capacity. Ho...

Arman can complete a job in 12 hours and Rehan can complete the same job in 8 hours. Arman started the job at...

How many poles can be erected along a fence of 200 feet a equal distances of 20 feet?

Ratan and Moinul have started a business investing taka 2.5 million and 3.5 million respectively. After 4 mont...

If "basis points" are defined so that 1 percent is equal to 100 basis points, then 82.5 percent is how many ba...

A 55 meter long train passes a 220 meter long railway station in 10 seconds. How many seconds will it take to...