Two varieties of sugar are mixed together in a certain ratio. The cost of the mixture per Kg is INR 0.50 less than that of the superior and INR 0.75 more than the inferior variety. The ratio in which the superior and infereior varieties of sugar have been mixed is:

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