Question Discussion & Solution

The pattern followed here is:

This is an alternate series of subtraction. The first number is subtracted by 2 to get the second number and then 4 is subtracted from the second number to get the third number and so on.

Hence, 42 is the correct answer.

The correct answer is BIOS.

BIOS is not a computer operating system.

Important Points

• BIOS (basic input/output system)
  • It is a program that is used by a computer's microprocessor to start the computer system after it is powered on.
  • It also manages data flow between the computer's operating system (OS) and attached devices, such as the hard disk, video adapter, keyboard, mouse and printer.

Key Points

• The Unix
  • A Unix family is a diverse group of operating systems, with sub-categories including System V, BSD, and Linux.
  • The name "UNIX" is a trademark of The Open Group which licenses it for use with any operating system that has been shown to conform to their definitions. 
• macOS 
  • It is an open core graphical operating system.
  • It is developed, and marketed, and sold by Apple Inc.
• Microsoft Windows
  • It is a family of proprietary operating systems designed by Microsoft Corporation.
  • It is primarily targeted at Intel architecture based computers.

Additional Information

• Operating system
  • An operating system (OS) is system software that manages computer hardware, software.
  • An operating system is a large and complex system.
  • OS system components include:
    • File,
    • Process,
    • Memory,
    • I/O device management.

According to the information given in the question, we can draw the following diagram.

Thus Anusha is 9 km towards east with respect to initial position.

Hence, the correct answer is "9 km, East".

The pattern obtained when the transparent sheet is folded is,

Hence, option 4 is the correct answer.

The correct answer is In 2004.

•  Darrah National Park was established in 2004.

Key Points

•  Darrah National Park ​
  • Mukundara Hills National Park is a national park in Rajasthan with an area of 759.99 km².
  • It was established in 2004 and consists of three wildlife sanctuaries: Darrah Wildlife Sanctuary, National Chambal Sanctuary, and Jawahar Sagar Wildlife Sanctuary.
  • It is located in the Kathiawar-Gir dry deciduous forests. 
  • 1955 – Darrah was declared a wildlife sanctuary.
  • 2004 – Declared as Mukundra Hills National Park.
  • 2013 – Got approval from NTCA & declared as Tiger Reserve.
  • 2020 – Moefcc notifies MHTR Eco-Sensitive Zone

​Additional Information

• About Rajasthan Wildlife
  • ​Rajasthan has Ranthambore National and Sariska National Park and Mukundara as a tiger reserve.
  • The UNESCO World Heritage Site Keoladeo National park along with Tal Chhapar, Van Vihar, and Jorbeed are for bird destinations in the state.
  • The Desert National Park is home to the critically endangered species of Great Indian Bustard.
  • Apart from these, Rajasthan is home to a large number of leopards, blackbuck, great Indian spotted eagle, and marsh crocodiles.