Maths - Online Test

Q1. A root of the equation  = 0 is
Answer : Option C
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Q2. If   and  having same magnitude and angle between them is 60º and their scalar product is 1/2 then |  | is 
Answer : Option D
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Q3. The rule f(x) = x2 is a bijection if the domain and the co-domain are given by
Answer : Option D
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Q4.
Answer : Option A
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No Explaination.


Q5. If , then the value of k is
Answer : Option C
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Q6. It is given that f '(a) exists, then  is
Answer : Option A
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Q7. The triangle of maximum area with constant perimeter 12m
Answer : Option A
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Q8.  is
Answer : Option C
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Q9. In 2nC3 :n C3 = 11 : 1 then n is
Answer : Option B
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Q10. If two events A and B are such that P () = 3/10 and P ( A ∩  ) = 1/2 , then P ( A ∩ B) is
Answer : Option D
Explaination / Solution: