If 27 people, working 8 hours a day, can complete a task in 12 days, then in how many days will 18 people finish the task, working 9 hours a day?

If the perimeter of an equilateral triangle is 18 cm, then length of each median is

3 year ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is:

The fourth root of 24010000 is 

The difference between the average of squares of the last four numbers and the product of the first two numbers of 6 consecutive odd numbers is 114. Find the first number.

Rahul, Shyam and Rohan invested capital in the ratio of 2:3:4 for the time period of 6:4:3. Find the ratio of profit distributed?

Ajay spends 25% of his salary on house rent, 5% on food grains, 15% on travel and 10% on clothes and saves 27000, what is Ajay's monthly income?

If the circumradius of an equilateral triangle ABC be 8 cm, then the height of the triangle is