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

Total Questions: 150

71. The price of any item is increased by 20%. Find the reduction in the consumption of the item by a consumer so that there is no increase on his expenditure:

Correct Answer: A. 16⅔ %
Solution:

72. Solve the equations ?

Correct Answer: D.
Solution:

73. Two trains 132 meters and 108 meters long are running in opposite direction, one at the speed of 32 km/hr and another at the speed of 40 km/hr. In what time will they cross each other?

Correct Answer: C. 12 sec.
Solution:

74. Solve the equations ?

Correct Answer: B.
Solution:

75. What is the HCF of 11, 11.11, 0.11, 0.011?

Correct Answer: A. 0.011
Solution:

76. The ratio of the areas of the incircle and circumcircle of a square will be:

Correct Answer: C. 1 : 2
Solution:

77. Find the missing letters in the given letter series:

a_cdaab_cc_daa_bbb_ccddd

Correct Answer: D. bbdac

78. The number in the following question numbers are written according to certain pattern row-wise or column-wise. Identify the pattern and find the missing character accordingly.

Correct Answer: B. 16
Solution:

79. Find the next term of the number series:

127, 128, 136, 163, 227, _____ .

Correct Answer: A. 352
Solution:

80. There are five different houses A to E in a row. A is to the right of B and E is to the left of C and right of A. B is to the right of D. Which of the house is exactly in the middle?

Correct Answer: A. A