The price of desktop computer is discounted by 20%, and reduced price is then discounted by 20%. The series of successive discount is equivalent to a single discount of :

Of the 120 households in an area, 55 have cars, 35 have motor bikes, and 20 have both cars and motor bikes. Ho...

the average age of 12 children is 20 years. If the age of one more child is added, the average decreased by 1....

The length of a rectangle is 3 times of its width. If the width of the rectangle is 5 inches, what is the rect...

For all x>2, (2x২+2x-12)/(x-2)simplifies to :

A watch was sold at 15% loss. If the selling price was Tk 8 more , then the seller could have made a profit of...

what past of an hour elapses between 11:40 a. m. and 12: 20 p.m. ?