Maths - Online Test
Q1. Let A and B be subsets of the universal set N,
the set of natural numbers. Then A’∪ [(A∩B)∪B’] is
Answer : Option D
Explaination / Solution:
Q2. 
Answer : Option D
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Q3. The value of log31/81 is
Answer : Option C
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Q4. If y = mx + c and f (0) = f '(0) = 1, then f (2) is
Answer : Option C
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Q5. cos 1̊ + cos 2̊ + cos 3̊ + …. + cos 179̊ =
Answer : Option A
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Q6. ∫sin3xdx is
Answer : Option C
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Q7. The product of r consecutive positive integers is divisible by
Answer : Option A
Explaination / Solution:
Product of r consecutive positive integers is divisible by r! (theorem)
Q8. A man has 3 fifty rupee notes, 4 hundred rupees notes and 6 five hundred rupees notes in his pocket. If 2 notes are taken at random, what are the odds in favour of both notes being of hundred rupee denomination?
Answer : Option A
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Q9. If a, 8, b are in AP, a, 4, b are in GP, and if a, x, b are in HP then x is
Answer : Option A
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Q10. Equation of the straight line that forms an isosceles triangle with coordinate axes in the I-quadrant with perimeter 4 + 2√2 is
Answer : Option B
Explaination / Solution:
