Arafat has Tk. 420. he purchased fifty mangoes and thirty oranges with whole amount. He then chose to return six mangoes for nine oranges as both quantities are equality priced. What is the price of each mango?

P starts jogging from point X to point. half an hour later his friend 'R" who jogs mile per hour slower than t...

In a class 120 studets are mile and 100 students are female.25% of the male students and 20% of the female stu...

If the integer A is multiple of 6, the integer B is multiple of 3 and A>B>0, then msut be multiple of followin...

Six years ago, Kalam was P times as old as Kalam was. If Kalam was. If Rahim is now 17 years old, how old is K...

Who won the Nobel Prize in Economics in 2017?

In a student dormitory there was enough food to feed 300 students for 15 days. Because of admission of some ne...