Question Discussion & Solution

The correct answer is Jai Narayan Vyas University.

• Jai Narayan Vyas University was named after the third Chief Minister of Rajasthan.

Key Points

• Jai Narayan Vyas was the 3^rd Chief Minister of Rajasthan.
• His tenure was from April 1951 – 3 March 1952.
• He was associated with Indian National Congress.
• Jai Narayan Vyas University is located in Jodhpur.
• It was earlier known as the University of Jodhpur.
• It was established in 1962.

Additional Information

• About Rajasthan (as of Nov 2021)
  • CM: Ashok Gehlot
  • Governor: Kalraj Mishra
  • State flower: Rohira (Tecomella undulata)
  • State Animal: Chinkara
  • National Parks and Wildlife Sanctuaries: Ranthambore National Park, Sariska Tiger Reserve (Native wildlife & tiger sanctuary), Desert National Park, Mount Abu WS.
  • Highest Peak: Guru Sikhar (1732 mt)
  • Important river: Chambal and Luni (Inland river)
  • UNESCO site: Chittorgarh Fort, Kumbhalgarh, Ranthambore Fort, Amber Fort.

Logic:

Train, Bus, and Boat are all vehicles,

Whereas a wheel is not a vehicle but a part of it.

Hence, "Wheel" is the odd word.

The correct answer is Sodium and potassium.

Key Points

• Sodium and Potassium metals are the two metals which are soft and can be cut with a knife.
  • Both belong to Alkali metals [first group of periodic table]
  • They are reactive metals.
  • As the atomic size increases down the group, so the force of attraction between the valence electron and nucleus decreases. 
  • Metallic bonds are not strong.
  • Potassium is softer than sodium.

Additional Information 

• Mercury- In a liquid state at room temperature, It is unique as a metal.
  • Mercury (Hg), also known as quicksilver.
  • Atomic Number- 80
• Zinc- Related to low Melting group.
  • Atomic Number- 30
  • Symbol- Zn
• Tin- It is a soft silvery-white metal with a bluish tinge.
  • Atomic Number- 50
  • Symbol- Sn

The correct answer is Ajmer.

Key Points​​

• Luni river:
  • The river originates at the confluence of two streams Saraswati and Sagarmati near Govindgarh of Ajmer district.
  • It flows in Ajmer, Nagaur, Pali, Jodhpur, Barmer. Jallore and drains in Rann of Kutch.
  • The water is fresh till Balotars of Barmer after that its water becomes salty.
  • The main tributaries of Luni joining from the left are the Lilri, the Guhiya, the Sukri, the Jawai, the Bandi (Hemawas), the Khari Bandi, the Sukri Bandi, and the Sagi.
  • Jojri is the only major tributary that joins the Luni river from the right.
  • The Dantiwada dam and the Sipu dam are constructed on the Luni river.
  • The main irrigation scheme in the Luni basin is Jawai dam, Jaswant Sagar dam, Hemavas, Sardar samand.

Additional Information

• Jaipur:
  • ​​Banganga, Bandi, Dhund, Morrel, Sabi are the river that flows in Jaipur.
  • Jaipur is also known as the 'Pink City', of India.
• Udaipur:
  • ​Banas, Ahar, Berach, Wakal, Gomti, Som, Jakham, Sabarmati, Sei are the river that flows in Udaipur.
• Nagaur:
  • ​​Luni, Mantha, Harsor are the rivers that flow in Nagaur.

The computer has evolved from a large-sized simple calculating machine to a much smaller machine capable of multiple functionalities. Each generation of computer is designed based on the hardware technology used leading to better, cheaper and powerful computers that are faster and efficient than their predecessors.

Hence, it can be concluded from the table that vacuum tubes were used by the first generation computers.