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When heated, a metal sphere expands, so volume and surface area increase, while density decreases. However, mass remains unchanged because no material is lost.
The average salary of 35 employees in a company was calculated to be ₹42,000. Later it was found that ₹45,000 was entered as ₹54,000, and ₹39,00...
In a school with 400 students, the average age of the boys is 16 years and that of the girls is 12 years. If the average age of school is 14 years 9 m...
The base of a right pyramid is a square of side 10 cm. If its height is 10 cm. then the area (in cm2) of its lateral surface is:
In a school, the average number of books that some numbers of boys have is 120 and average number of books that some numbers of girls have is 85. If eac...
A company has 12 employees, including 8 engineers and 4 managers. The average salary of the engineers is E rupees, and the average salary of the manager...
Mukesh has twice as much money as Soham, Soham has 50% more money than Pankaj. If the average money with them is Rs.110, then Mukesh has
When the average age of a husband and wife and their son was 44 years, the son got married and a child was born just one year after their marriage. When...
The average of four consecutive odd numbers is 47. What is the largest of these numbers?
The average of twelve numbers is 45.5. The average of the first four numbers is 41.5 and that of the next five numbers is 48. The 10th number...