A box contains one rupee, fifty-paise and twenty-five paise coins. The total number of coins are 378. The ratio of values of the above coins is 13:11:7. The number of twenty-five paise coins was:

P, Q and R can do a piece of work in 60 days, 100 days and 80 days respectively. They together work to finish the work and receive INR 2256. Then P will get

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 :