TN 11TH MATHS - Online Test

Q1. If |x + 2| ≤ 9, then x belongs to
Answer : Option B
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Q2. d/ dx (2/π sin x° ) is 
Answer : Option B
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Q3. 1/cos 80̊  - √3/sin 80̊ =
Answer : Option D
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Q4. If ∫ f (x)dx = g(x) + c, then ∫ f (x)g′(x)dx 
Answer : Option A
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Q5. The sum of the digits at the 10th place of all numbers formed with the help of 2, 4, 5, 7 taken all at a time is
Answer : Option B
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Q6. Four persons are selected at random from a group of 3 men, 2 women and 4 children. The probability that exactly two of them are children is
Answer : Option D
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Q7. The value of 2 + 4 + 6 +…….+ 2n is
Answer : Option D
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Q8. The equation of the locus of the point whose distance from y-axis is half the distance from origin is
Answer : Option D
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Q9. If aij = 1/2 (3i − 2j ) and A = [a ij] 2×2 is 
Answer : Option B
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Q10. The value of   is
Answer : Option C
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