Maths - Online Test
Q1. If |x + 2| ≤ 9, then x belongs to
Answer : Option B
Explaination / Solution:
Q2. d/ dx (2/π sin x° ) is
Answer : Option B
Explaination / Solution:
Q3. 1/cos 80̊ - √3/sin 80̊ =
Answer : Option D
Explaination / Solution:
Q4. If ∫ f
(x)dx = g(x) + c, then ∫ f (x)g′(x)dx
Answer : Option A
Explaination / Solution:
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
Explaination / Solution:
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
Explaination / Solution:
Q7. The value of 2 + 4 + 6 +…….+ 2n is
Answer : Option D
Explaination / Solution:
Q8. The equation of the locus of the point whose distance from y-axis is half the distance from origin is
Answer : Option D
Explaination / Solution:
Q9. If aij
= 1/2 (3i − 2j ) and A = [a ij] 2×2 is
Answer : Option B
Explaination / Solution:
Q10. The value of 
is
is
Answer : Option C
Explaination / Solution:
