HSSC TGT Maths Date 30/4/2023 Morning Shift

Total Questions: 100

71. The probability that a student will pass his examination is 0.73, the probability of the student getting a seat abroad is 0.13, and the probability that he will pass or get a seat abroad is 0.80. Then the probability of him passing and getting a seat abroad is:

Correct Answer: (a) 0.06

72. The coordinates of the focus of the parabola x² = -16y are:

Correct Answer: (b) (0, -4)

73. ∫dx / x(x² + 1) = ?

Correct Answer: (a) log |x| -1/2 log(x² + 1) + c

74. If A is a matrix of order 3 x 3 , |A| = 5, then |3A| =

Correct Answer: (b) 135

75. If |1 - i|ˣ x = 2ˣ x (where i = √-1) the number of non-zero integral solutions is:

Correct Answer: (d) 0

76. If the sum of n terms of an A.P. is S = 3n+2n² , then the common difference of the A.P. is:

Correct Answer: (d) 4

77. The order of the differential equation (dy/dx)² + 3/dy/dx + y = is

Correct Answer: (c) 1

78. The value of tan(sec⁻¹2) + cot (cosec⁻¹3) is :

Correct Answer: (c) 11

79. If 2 ≤ 3x - 4 ≤ 5, then x lies in the interval :

Correct Answer: (c) [2,3]

80. The arithmetic mean of the series 1, 2, 3, 4, 8, 16 ................2⁰ is :

Correct Answer: (c)