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- 1. Multiple Choice
If A is a square matrix of 3 x 3 order, where |A| = 3, then find out the value of |adjA|.
3
9
30
1/3
- 2. Multiple Choice
If A and B are two events, where P (A) = 0.2, P (B) = 0.4 and P(A ∪ B) = 0.5. Find the value of P(A/B).
0.25
0.08
0.1
0.080
- 3. Multiple Choice
Which point does not lie in the half-plane for the given equation: 2x + 3y - 12 ≤ 0?
(2,3)
(-3,2)
(1,2)
(2,1)
- 4. Multiple Choice
Find the value of cos-1 x + cos-1 y, if sin-1 x + sin-1 y = 2π/ 3.
2π/3
π
π/2
π/3
- 5. Multiple Choice
Calculate the distance in units between the below-mentioned planes: 3x + 5y + 7z = 3 and 9x + 15y + 21z = 9.
3
7
0
6
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