Maths - Online Test

Q1. The number of 5 digit numbers all digits of which are odd is
Answer : Option B
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Q2. If A and B are any two events, then the probability that exactly one of them occur is
Answer : Option B
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Q3. If nC10 > nCr for all possible r, then a value of n is
Answer : Option D
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Q4. If the point (8,-5) lies on the locus x2/16 - y2/25 = k, then the value of k is
Answer : Option D
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Q5. If A and B are two matrices such that A + B and AB are both defined, then 

Answer : Option B
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Q6. A vector  makes 60° and 45° with the positive direction of the x and y axes respectively. Then the angle between  and the z-axis is 
Answer : Option B
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Q7. If {(x) = |x 2| + |x + 2|, x R, then
Answer : Option A
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Q8.
Answer : Option A
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Q9. The solution set of the following inequality |x - 1| ≥ |x – 3| is
Answer : Option B
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Q10. If y = 1/ a − z , then dz/ dy is
Answer : Option A
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