A tradesman allows a discount of 15 % on the marked price. How much above the cost price must he mark his goods as to gain 19 %? 

Sarita started a boutique investing an amount of 50,000. Six months later Neeta joined her with an amount of 80,000.  At the end of one year they earned a profit of 18,000. What is the Sarita’s share in the profit?

A train travels 40% faster than a car. Both start from Point A at the same time and reach point B, 140 km away at the same time. On the way the train takes 25 minutes for stopping at the stations. What is the speed (in km/hr) of the train?

What percentage of 5.6 kg is 140 grams?

The L.C.M. of two numbers is 4 times their H.C.F. The sum of L.C.M. and H.C.F is 125. If one of the numbers is 100, then the other number is-

A contractor undertakes to make a road in 40 days and employs 25 men. After 24 days, he finds that only one- third of the road in made. How many extra men should he employ so that he is able to complete the work 4 days earlier?

$$ {({1\over25})^{-1\over2}}+{({8\over 27})^{-1\over3}}$$

A and B together can complete a particular task in 6 days. If A alone can complete the same task in 10 days, how many days will B take tocomplete the task if he works alone?