By selling a coat for INR 630, a shopkeeper gains 5%. Find the cost price of the coat

A person covers a certain distance in 6 hours, if travels at 40 km/ hour. If he has to cover the same distance in 4 hours, then his speed must be:

The average of three numbers of which greatest is 16 is 12. If the smallest is half of the greatest, the remaining number is :

A contractor has the target of completing a work in 40 days. He employed 20 persons who completed (1/4) of the work in 10 days and left. The number of persons he has to employ to finish the remaining part as per target is:

P invests INR 9100 for 3 months, Q invests INR 6825 for 2 months and R INR 8190 for 5 months in a business. If the total profit amounts to INR 4158, how much profit should Q get

If '+' means '×','-' means '+', '×' means '-' and '÷' means '+' then the value of the given equation is :

9+8÷8-4×6=?