N invested Rs. 20,000 in a business. Six months later, C joined him with Rs. 10,000. At the end of the year, the profit was Rs. 10,000. What should be the share of N?

If all the vowels of the word COMPUTER are taken together, the letters of the word COMPUTER can be arranged in how many different ways ?

A man bought article and sold it at a gain of 10% . If he had bought it at 20% less and sold it for Rs.10 more, he would have made an profit of 40%. The cost price of the article is:

Who received the Man Booker Prize in 2015 for his novel 'A brief history of seven killings'?

A train ‘A’ of 180 metres is running at the rate of 72 km/hr. Another train ‘B’ of 120 metres is coming from opposite direction is the rate of 108 km/hr. How long will they take to cross one another ?