Asif is designing a doll house. The floor will be in the shape of a rectangle whose length is 2 feet more than its width. How long should the doll house be if Asif wants the area of the floor to be 15 square feet?

A mixture of garbage is composed of 3 elements : by weight 1/3 of the weight is broken bottles. 3/5 of the gar...

A group of kittens went on sale and 2/3 of them were sold for Tk. 2.30 each. If none of the 36 remaining kitte...

An examiner checks 4 scripts in 5/3 hours. How many scripts can he check in 50 minutes?

Farhana earns Tk. 5.00 for every hour she works in a book store . Last week she worked for x hours. She purcha...

A picnic was arranged by m students . Total cost of the picnic was estimated to be y taka . Unfortunately z st...

In group of 15 high school students, 7 study Latin, 8 study French and 3 study neither Latin nor French. How m...