Haryana Constable Exam, (19-09-2021), (Shift-II)

Total Questions: 100

51. The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the two digits of that number?

Correct Answer: (4) 9
Solution:Let two-digit number
According to question:

x−y=96/9=4

Therefore, the difference between two digits = 4.

52. Haryana Police Academy (HPA) at Madhuban has been imparting training to the IPS Probationers of Haryana since

Correct Answer: (4) 1977
Solution:Haryana Police Academy (HPA) at Madhuban has been imparting training to the IPS Probationers of Haryana (State training part) since 1977.
  • It is also imparting training to the directly recruited Dy. SsP.

53. How many 9’s are there in the following number series, which are immediately preceded by 3 and followed by 6?

3 9 6 9 3 9 3 9 3 9 6 3 9 5 6 9 3 9 6 3 9

Correct Answer: (2) 3
Solution:

54. Glycosidic bond is formed by the process of

Correct Answer: (2) Dehydration
Solution:A glycosidic bond is a bond present in disaccharides and polysaccharides.
  • This is a bond formed between two adjacent monosaccharides.
  • The elimination of a water molecule accompanies the formation of a glycosidic bond. In other words, it is a dehydration reaction.

55. Database entries are called

Correct Answer: (3) Records
Solution:Database entries are called records.
  • Fields and records are two basic components of a database, which is an organized collection of information or data.
  • The term "fields" refers to columns or vertical categories of data; the term "records" refers to rows or horizontal groupings of unique field data.

56. Each table appears as a spreadsheet grid called

Correct Answer: (1) Datasheet
Solution:Each table that appears as a spreadsheet grid is called a datasheet.
  • A spreadsheet is also known as a worksheet.
  • It is used to record, calculate, and compare numerical or financial data.

57. There are six persons A, B, C, D, E and F. C is the sister of F, B is the brother of E’s husband. D is the father of A and grandfather of F. There are two fathers, three brothers and a mother in the group. Who is the mother?

Correct Answer: (1) E
Solution:C is the sister of F.
  • D is the father of A and grandfather of C and F.
  • A is the father of C and F because B is the brother of E's husband.
  • It means E is the wife of A and mother of C and F.

58. When ____ bits are grouped together as a unit, they form a byte.

Correct Answer: (1) 8
Solution:A byte is a unit of digital information that most commonly consists of eight bits.
  • A half byte is known as a Nibble.

59. log√8 / log 8 is equal to

Correct Answer: (3) 1/2
Solution:

60. Which among the following has a larger refractive index?

Correct Answer: (1) Diamond
Solution:Material: Refractive Index
  • Diamond: 2.42
  • Ice: 1.31
  • Ruby: 1.71