Questions

When iron is exposed to moist air, a reddish brown coating of hydrated Iron (III) Oxide (Fe2O3) is deposited on its surface. This reddish brown coating is called

'Vallam Kali Boat Race' is held in which state?

At which place a joint military exercise ‘Yudh Abhyas’ was held in September 2017 between United States and Indian army?

________ was imprisoned for the rest of his life by Aurangzeb.

In the following question, select the number which can be placed at the sign of question mark(?) from the given alternatives.

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

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.

The contractor said, “She has finished the designs.”

In which year was Bombay Stock Exchange (BSE) established?