Questions

A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.

In April 2017, Emma Morano, the world’s oldest woman has passed away at the age of 117. Which country was she from?

Under the ‘National Electric Mobility Mission Plan’, the government wants to see 6-7 million electric and hybrid vehicles on Indian roads from year ______ onwards.

Punched card is also called

Name the metal that can be easily cut with a knife:

What are Equinox days?

Who among the following is NOT one of the recipients of Major Dhayan Chand Award for the year 2017?

Rashtrapati Bhavan was built in _________.