Questions

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

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

Who discovered Sodium?

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: Biographies of great men can also help us in learning good manners.
Q: Courtesy and politeness is the key to good manners.
R: No doubt these are little words but if they are spoken at the right moment and in a soft and sweet voice, they are bound to work wonders.
S: The use of polite words like "Sorry", "Please", "Thank you", "Beg your pardon", "Sir" etc. creates a healthy impact on the minds of others.

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

Postponement or delay permitted in the suffering of a penalty or the discharge of an obligation.

Who stated the following law : 'The properties of the elements are the periodic function of their atomic masses'?

Chemical properties of isotopes .............

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)