What is the angle between minute and hour hand ate 11:10?

Rahul and Rohan enter into a partnership with   their capitals in the ratio 7:9. At the end of 8^th month, Rahul  withdraws his capital. If they receive the  profits in the ratio 8:9, find how long Rohan’s capital was used.

Study the following graph to answer these questions :
Percent profit earned by two companies A & B over the years.
Profit = Income – Expenditure

Expenditure of Company B in 1999 was 90% of its expenditure in 1998. Income of Company B in 1999 was what percent of its income in 1998?

The dimension given in the field book are meters. Total area of the field is

In an office there are 50 men and 30 women and their average salary is Rs.22500 and every woman gets Rs. 400 less than a man. Find the salary of a man.

Ravi purchases 90 pens and sells 40 pens at a gain of 10% and 50 pens at a gain of 20%. Had he sold all of them at a uniform profit of 15% he would have got Rs. 40 less. Find the cost price of each pen.

Meetali and Neeraj got married 30 years ago. Meetali is 4 years younger than Neeraj. When they got married the difference between 2 times of the Meetali's age and 1.5 times of the Neeraj's age was 5 years. Find the present age of Meetali and Neeraj.