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Haryana Constable Exam (19.09.2021)

📆 April 12, 2025

Total Questions: 100

81. A total of 324 coins of 20 paise and 25 paise make a sum of 71. The number of 25 paise coins is

Correct Answer: (4) 124
Solution:

82. Kesra Ram has won the 2020 "Dhahan Prize for Punjabi Literature for his anthology of short stories

Correct Answer: (2) Zanani Paud
Solution:Sirsa-based writer Kesra Ram has won the $25,000-Dhahan Prize for excellence in Punjabi Literature, 2020, for his collection of short stories, ZananiPaud (Female Flower).
  • The Dhahan Prize promotes Punjabi literature on a global scale by awarding $25,000 (in Canadian dollars. Rs 13.8 lakh) annually to the best book of fiction published in elther Gurmukhi or Shahmukhi scripts, along with two additional finalist prizes of $10,000 (Rs 5.5 lakh) each.

83. A Motto of Haryana Police

Correct Answer: (4) Sewa Suraksha Sahyog
Solution:'Sewa Suraksha Sahyog' is the motto of Haryana Police.

84. The pkₐ of acetic acid and pК of ammonium hydroxide are 4.76 and 4.75 respectively. The pH of ammonium acetate solution is

Correct Answer: (3) 7.005
Solution:Ammonium acetate is a salt of weak acid, acetic acid and weak base, ammonium hydroxide.
  • When weak acid and base is given in a mixture, the pH of ammonium acetate is calculated as:

pH=7+21?(pka??pkb?)

pH =7+21?(4.76?4.75)=7.005

85. You can use the________keyboard shortcut to select all files in a folder.

Correct Answer: (2) Ctrl + A
Solution:Ctrl+A is a keyboard shortcut most often used to select all text, files, pictures, or other objects while in a graphical user environment.
  • Ctrl+S is a shortcut key often used to save changes to a file.

86. If a, b, c are non-zero, a+1/b=1 and b+1/c =1, then the value of abc is

Correct Answer: (3) -1
Solution:

87. Number of the triangles in the given figure is

Correct Answer: (3) 10
Solution:

88. Central Soil Salinity Research Institute (CSSRI) in Haryana is situated at

Correct Answer: (3) Karnal
Solution:Central Soil Salinity Re-search Institute (CSSRI) had its origin in Hisar, Haryana, on 1 March 1969. bros
  • However, by October, 1969, the Institute was shifted to its present premises in Karnal.

89. Calculate the efficiency of a Carnot engine operating between 450k and 300k.

Correct Answer: (3) 33.33%
Solution:

90. In a wireless network, the hub function is performed by a wireless router, sometimes called a

Correct Answer: (4) Modem
Solution:A wireless modem is a modem that bypasses the telephone system and connects directly to a wireless network, through which it can directly access the Internet connectivity provided by an Internet service provider (ISP).
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