Exams

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 fire in the (1)/ chemistry lab was (2)/ difficult to put off. (3)/ No error (4)

What did J. B. Dunlop invent?

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'.

Delhi had been captured, ransacked and rebuilt several (1)/ times and modern Delhi is a cluster of a number (2)/ of cities spread across the metropolitan region. (3)/No error (4)

The average marks obtained by a group of 10 students were 20. One student left the group as a result of which the average of the remaining students rose to 21. But another student joined, as a result of which the average marks of the group dropped a bit and became 20.6. What were the average marks obtained by the student who left and the one who joined?

Shrenik switched on a bulb at 2 : 39 : 40 hours and switched it off on the same day at 12 : 30 : 34 hours. For how long was the bulb in switched-on mode?

What is the area (in sq cm) of an equilateral triangle of side 14 cm?

The driest location on Earth is in which country?

With which country, India has the longest international boundary?