Questions

In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC is

If a2+1=a, then the value of a3 is

Find the sum of the measures all the exterior angles of a decagon.

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. NIP, KGO, HEN, ECM, ?

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'.

The Hellenistic period covering the period of Mediterranean (1)/ history between the death of Alexander the Great in (2)/ 323 BC and the emergence of the Roman Empire. (3)/ No error (4)

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

We lost our self-confidence and pride when the marks (were read) out in class.

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

"Cheer up, father, I’ll go and get work somewhere." said Jane.

The centre of the reflecting surface of a spherical mirror is a point called the ___.