PGT Computer Science (Level-3), (HTET Exam 2021)

Total Questions: 150

61. If the Independence Day in 1988 was celebrated on Wednesday. On what day was it celebrated in the year 1989?

Correct Answer: C. Thursday
Solution:

The number of day = from 15 August, 1988 to
15 August, 1989 = 365 days
∴                      365 = 7 x 52 + 1
∴                Odd day = 1.
Hence, the independence day in 1989 was celebrated
on Thursday (Wednesday + 1).

62. Vijay walks 10 km towards North, from there, he walks 6 km towards South, then he walks 3 km towards East. How far and in which direction is he with reference to his starting point?

Correct Answer: B. 5 km North-East
Solution:

63. In a row of girls, Shilpa is 8th from the left and Reena is 17th from the right, if they interchange their positions, Shilpa becomes 14th from the left. How many girls are there in a row?

Correct Answer: D. 30
Solution:

Hence, the number of girls in row = 14 + 16 = 30.

64. In a certain pattern, if 9 * 3 = 36, 10 * 6 = 64, 9 * 1 = 25, then in the same pattern what is the value of 23 * 3 =?

Correct Answer: A. 169
Solution:

65. In a certain code MONKEY is written as XDJMNL. How is TIGER written in that code?

Correct Answer: C. QDFHS
Solution:

66. If A means 'plus', B means 'minus', C means 'divide by', D means 'multiply'. Then what will be simplified value of

18 A 12 C 6 D 2 B 5=?

Correct Answer: D. 17
Solution:

Given, A = +, B = -, C = ÷, D =×
∴ 18 A 12 C 6 D 2 B 5
= 18 + 12 ÷ 6 ×2-5
= 18 + 2 ×2 - 5
= 18 + 4 - 5 = 22 - 5 = 17.

67. If 7 carpenters can make 7 chairs in 8 hours, how many hours will 70 carpenters take to make 70 chairs?

Correct Answer: A. 8 hours
Solution:

68. Which number must be added to each term of the ratio 2: 5, so that it may equal to 5: 6?

Correct Answer: C. 13
Solution:

69. A sum of ₹ 10,000 deposited at compound interest becomes double after 5 years. After 20 years the amount will be:

Correct Answer: D. ₹ 1,60,000
Solution:

70. A sold a watch to B at a gain of 10% and B sold it to C at a loss of 10%. If C paid ₹ 990 for it, then how much amount paid by A?

Correct Answer: B. ₹ 1,000
Solution: