Questions

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

Who won the first medal for India at the Rio Olympics?

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Kiling of birds

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'.

I will try to be on time(A)/but don't worry when(B)/I am late.(C)/No error(D)

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Be on the air

Air expands when it _______________.

In nuclear reactor, cadmium rods are used as which of the following?

A sound of single frequency is called a