CBSE[All India]_XII_Mathematics_2016_Set(03)
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Q1Marks:1View Answer
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Q2Marks:1View Answer
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Q3
Find the vector equation of the plane with intercepts 3, –4 and 2 on x, y and z-axis respectively.
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Q4Marks:1View Answer
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Q5Marks:1View Answer
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Q6
Write the number of all possible matrices of order 2 X 2 with each entry 1, 2 or 3.
Marks:1View AnswerAnswer:
Order of matrix = 2 x 2
Number of available entries = 3 (i.e., 1, 2 or 3)
Number of all possible matrices = 34 = 81. -
Q7Marks:4View Answer
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Q8Marks:4View Answer
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Q9
In a game, a man wins
5 for getting a number greater than 4 and loses 1 otherwise, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a number greater than 4. Find the expectedvalue of the amount he wins/loses.Marks:4View AnswerAnswer:
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Q10
A bag contains 4 balls. Two balls are drawn at random (without replacement) and are found to be white. What is the probability that all balls in the bag are white?
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