HSSC CET Mains Group-57/Dt.-06-08-2023 Morning Shift Set-D

61. Which of the following number is divisible by 3?

Correct Answer: (a) 541326

Solution:According to the division rule of 3, if the sum of the digits of a number is divided by 3, then that number will be divisible by 3. From option (1), sum of digits of number 541326+4+1+3+2+6 = 21. Which is divisible by 3. Hence the number 541326 is divisible by 3.

62. ____ is the most widespread form of advertising and is the favourite of the Indian rural masses.

Correct Answer: (b) Wall painting

Solution:Wall painting is a favourite of the Indian rural people. Mural is a painting applied to, and integral to, a wall or ceiling surface. The term may include painting on properly fired tiles, but does not usually refer to mosaic decoration unless the mosaic forms part of the overall scheme of painting.

63. During this year, seat of Punjab High Court shifted to Chandigarh

Solution:The seat of the Punjab High Court was shifted to Chandigarh during the year 1955, the Punjab and Haryana High Court became the Joint High Court for the Indian states of Punjab and Haryana and the Union Territory of Chandigarh, which is situated in Chandigarh, India.

64. If + means -, - means * / means + and * means -, then 36*12/4+6/2-3 = ?

Correct Answer: (b) 42

Solution:The given expression,

36*12+4+6+2-3

According to the question, On changing the symbols

36-12+4+6+2×3

= 36-3+3×3

= 36-3+9

= 45-3

= 42

65. Where is the Niagara river found?

Correct Answer: (a) North-America

Solution:Niagara river is located in North America. This river flows North from Lake Erie and reaches Lake Ontario, forming the boundary between Canada and the USA. The total length of this river is 58 km and the main tributaries are Tonawanda Creek and Welland. Niagara Falls is located on the Niagara river.

66. Which of the following is the correct syntax for using malloc() to allocate memory for an integer variable?

Correct Answer: (c) malloc(sizeof(int)) * 2

Solution:To use malloc() for the purpose of allocating memory to an integer variable, malloc(sizeof(int)) syntax is correct.

67. Find the L.C.M. of 72, 108 and 210.

Correct Answer: (c) 37800

Solution:

68. What is the LOOK disk scheduling algorithm?

(a) A disk scheduling algorithm that services requests in one direction until there are no more requests in that direction, and then reverses direction and services requests in the other direction
(b) A disk scheduling algorithm that services requests that are closest to the current position of the disk arm, and changes direction when there are no more requests in that direction
(c) A disk scheduling algorithm that services the request that requires the shortest rotational delay
(d) None of the above
(e) Unattempted

Correct Answer: (b) A disk scheduling algorithm that services requests that are closest to the current position of the disk arm, and changes direction when there are no more requests in that direction

Solution:A disk scheduling algorithm that serves requests closest to the current position of the disk arm and changes direction if there are no more requests in that direction.

69. layer lies below the crust.

Correct Answer: (a) Mantle

Solution:The layer below the Earth's surface is called mantle. It is approximately 2,900 km thick and makes up 84% of the Earth's total volume. Core Earth is called the lowest layer.

70. Shivalik hills are not found in which among the following districts of Haryana?

Correct Answer: (a) Ambala

Solution:The Shivalik hills are not found in the Sirsa district of Haryana. The Shivalik region in Haryana is spread over 3514 sq km of districts Ambala, Panchkula and parts of Yamunanagar.

Shivalik Development Board has administratively defined the extent of the region to cover 430 Gram Panchayat from Ambala, 162 GPs from Panchkula and 282 GPs from Gamunanagar.