Test Multi-choice 14 Question 1.  If A and B are square matrices of the same order such that AB = […]

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Test Multi-choice 13 Question 1. The function f(x) = |x – 1| + |x – 2| is not derivable at  […]

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Test Multi-choice 12 Question 1. In a group of 75 persons, 20 take tea but not coffee and 30 take […]

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Test Multi-choice 11 Question 1. If X = { 4n – 3n – 1/n ∈ N}, Y = {9(n – […]

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Test Multi-choice 10 Question 1. Which of the following is/are not correct ? A relation such as  and  is not possible Spearman’s […]

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Test Multi-choice 9 Question 1. Which of the following is correct? Answers Option 1 r ≥ 1 Option 2 – 1 ≤ […]

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Test Multi-choice Question 1. The coefficient of correlation- Answers Option 1 has no limit Option 2 is more than -1 […]

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Test Multi-choice 6 Question 1. If the regression equation is a perfect estimator of the dependent variable then which of […]

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Test Multi-choice 5 Question 1. Which of the following index numbers suffer from upward bias? Answers Option 1 Bowley’s index number […]

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