Exams

For how many integer values of n will the value of the expression 4n + 7 be an integer greater than 1 and less than 200?

A supplier supplies cartridges to a news paper publishing house. He earns a profit of 25% by selling cartridges for Rs. 1540. Find the cost price of the Cartridges ?

In what time will Rs.1000 become Rs.1331 at 10% per annum compounded annually?

Find the unit place digit in the expression $$\begin{gathered} (159)144 + (114)123 - (110)510 + (213)25 \\ \end{gathered}$$

Rearrange the parts of the sentence in correct order.

P: This discipline is characterized by several concepts and approaches that are used by psychologists in understanding human behavior.
Q: The field of psychology can be described as a discipline that focuses on the study of mind and behavior.
R: Some of the most common psychological concepts that are used to modify or change an individual’s behavior include operant conditioning, positive and negative punishment, and positive and negative reinforcement.
S: Since psychology is a broad field, psychologists not only use these concepts and approaches but also conduct scientific research that enables them to understand
human behavior.

Improve the given sentence if necessary.

I wish I can help you.

Find the length of the altitude of an equilateral triangle of side  33cm.

Find the perimeter of the rectangle or square with the given dimensions l = 5 feet, w = 2 feet?