A sum of money lent out at simple interest amounts to Tk. 720 after 2 years and to Tk. 1020 after a further period of 5 years. The sum is -

In a certain store, the profit is 320% of the cost. If the cost increases by 25% but, the selling price remain...

138.009+341.981-141.305=123.6+?

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

In a bank 30% of the applicants are from rajshahi district and 20% of them from Rajshahi city. What percentage...

What is the volume of cube whose surface area is 96?

Mr. Rafin can complete a job in 15days , while Mr. Shafin takes twice as long as to do the same job. If they w...