In a certain exam, 65% students passed in Math and 50% passed in English. If 25% of the students have passed in both the subjects, what percent of the students have failed in both Math and English?

Rabeya's father contributes to her savings by giving her 25% of her total savings. If Rabeya saves Tk. 150 in...

Of the 45 students in a certain class, 28 are in drama club and 31 are in communication club. If 8 of the stud...

A box of chocolates is divided between two brothers, Asif and Siyam in a ratio of 15 : 7 and their difference...

If r=5 z and z=3 y, then r =?

Read answered 75% of the questions on a test correctly. If he answered 18 questions out of the first 22 correc...

A toy company sold 160 units of toys for Tk. 450 each and 120 units of toys for Tk. 300 each. If the company's...