The average marks of a student in ten papers are 80. If the highest and the lowest score are not considered the average is 81. It his highest score is 92, what is his lowest score?

Ten years ago, Sunil was half of Sudip’s age. If the age of both at present is in the ratio of 3:4, what will be the total of their present age?

A and B started a business with a total capital of ? 30,000. At the end of the year, they shared the profit in the ratio of their investments. If their capitals were interchanged, then A would have received 175% more than what he actually received. Find out the capital of B (in rupees)

The ratio in which Aman and Bimal have contributed to the capital of a company is 3 : 4. Bimal has invested his capital for only 3 months and has received half as much profit as Aman, at the end of the year. Find out for how much time has Aman invested his capital in the company.

Two whole numbers whose sum is 64 can be in the ratio of?

In a call centre, 6 employees working for 10 hours complete a certain task. They started working at 11:00 am. This continued till 5:00 pm and after that, for each hour one more employee is added till the work gets completed. At what time will they complete the work?

72% of students in a class took Physics and 44% took Mathematics. If each student took Physics or Mathematics and 40 took both, the total number of students in the class would be

Amar is twice as fast as Rohit and Rohit is thrice as fast as Chanda is. The journey covered by Chanda in 42 minutes will be covered by Amar in

P, Q and R are three consecutive odd numbers in ascending order. If the value of three times P is 3 less than two times R, find the value of R.