# Maths - Online Test

Q1. If A = {(x, y) : y = ex, xR} and B = {(x, y) : y = e-x, x R} then n(A B) is
Answer : Option C
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Q2.
Answer : Option B
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Q3. Given that x, y and b are real numbers x < y, b > 0, then
Answer : Option A
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Q4. If y = f (x2 + 2) and f '(3) = 5, then dy/dx at x = 1 is
Answer : Option D
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Q5. If cos 28̊  + sin 28̊  = k3, then cos 17̊  is equal to
Answer : Option A
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Q6. If , then the value of k is
Answer : Option C
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Q7. In an examination there are three multiple choice questions and each question has 5 choices . Number of ways in which a student can fail to get all answer correct is
Answer : Option B
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Q8. A number is selected from the set { 1, 2, 3,..., 20 }. The probability that the selected number is divisible by 3 or 4 is
Answer : Option C
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Q9. The coefficient of x6 in (2 + 2x)10 is
Answer : Option D
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Q10. Which of the following equation is the locus of (at2, 2at)
Answer : Option D
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