Exams

The angles of elevation of the top of a tower 72 metre high from the top and bottom of a building are 30° and 60° respectively. What is the height (in metres) of building?

What is the number of atoms constituting a molecule known as?

Who is the author of the book titled "Walking With The Comrades"?

Which Oil company has successfully conducted a 'Proof of Concept' feasibility study on 'Zero-emission electric mobility'?

____ forms a common passage for both urine and sperms in human males.

The volume of a hemisphere is 5749.33 cm³. Find its diameter (in cm).

Consider the given statements to be true and decide which of the suggested courses of action logically `follows(s) on the basis of the information given in the statements.

Statements :

The pollution and air quality in Delhi is beyond the acceptable level. This is due to industrial and automobile exhaustion.

Course of action :

1. Automobiles should be divided into groups to be run only on odd and even days, respectively.

2. The government should stop the registration of new factories and vehicles.

Which of the following devices helps to maintain a potential difference across a conductor?