The sum of the angles of a square is :

Sampa is 10 years older than Sanda. In 7 years time, Sampa will be twice asold as Sanda. What is the age of Sa...

Price of a product is discounted by 20% and the reduced price is then discounted by 5%. The ultimate discount...

A man can row a boat at 10 km/hr in still water. If the speed of the stream is 6 km/hr, the time taken to row...

From 7 boys and 5 girls, 6 are to be selected for admission for a particular course. In how many ways can this...

A manufacturer of jam wants to make a profit of Tk. 0.65 each to make first 100 jars of jams and Tk. 0.55 to m...

A digital 12 hour clock falls behind 10 minutes each day. How many days will it take to reach a point where th...