Exams

The two sides holding the right-angle in a right-angled triangle are 3 cm and 4 cm long. The area of its circumcircle will be in sq.cm:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

Scientists show that there is a curious (1)/ relationship among a lion’s life span and (2)/ the pattern of spots on each side of its face. (3)/ No error (4)

The average of 8 consecutive integers is 23/2. What is the average of first three integers?

At 6% simple interest per annum a sum of money became Rs. 834 in 6.5 years. The sum initially invested was

Simplify 81x2 - 49y29x + 7y

The value of k, for which the quadratic equation 4x2 + 4√3x + k = 0 has equal roots is

Find the number of prime factor of 20790.

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?