A class can have any number of constructors. If a class have more than one constructor, we call it as the constructor is overloaded.

A database is used to store, modify, extract and to search for the data within it.

Let the efficiencies of filling pipes is 4p and 5p respectively.

Efficiency of pipe which empty the tank = 2/3 x 9p/2 = 3p

Total work = 3p x 36 = 108p

Time to fill the tank by both the pipes = 108p/9p = 12 min.

Sales tax is an additional amount of money you pay based on a percentage of the selling price of goods and services that are purchased.

For example, if you purchase a new laptop Rs. 40000 and live in an area where the sales tax is 6%, you would pay Rs.2400 in sales tax.

Color blindness primarily affects males as the the genes responsible for the most common, inherited color blindness are on the X chromosome, hence, primarily affects males.