What type of malware locks a user's files and demands

‘Trump’ is a sports term used in __________.

What is the main sense organ that virtual reality displays are aiming for?

According to the classification of minerals, which of the following is a Non-Ferrous metal? 

The Consumer Confidence Survey in India includes the Current Situation Index (CSI), and it is published by which organization?

The “PM E-Drive” campaign, promoting electric mobility, was launched on: 

Who among the following Presidents of India was also the deputy chairman of Planning Commission?

With which of the following organisations was Henry Louis Vivian Derozio, a teacher of Hindu College of Calcutta, associated? 

What is the primary outcome expected from the Government of India and ADB's $181 million loan agreement for Ahmedabad city?

Out of given countries, which is not a part of G20?

Which of these is the capital of the country Iceland?