Maths - Online Test
Q1. ∫sin √xdx is
Answer : Option A
Explaination / Solution:
Q2. If nC4, nC5,
nC6 are in AP the value of n can be
Answer : Option A
Explaination / Solution:
Q3. The probability of two events A and B are 0.3 and 0.6 respectively. The probability that both A and B occur simultaneously is 0.18. The probability that neither A nor B occurs is
Answer : Option D
Explaination / Solution:
Q4. θ is acute angle between the lines x2
- xy - 6y2 = 0, then 
is
is
Answer : Option C
Explaination / Solution:
Q5. If A+ I
= 
then ( A+I )( A-I ) is
equal to
then ( A+I )( A-I ) is
equal to
Answer : Option A
Explaination / Solution:
Q6. If 
= iˆ + jˆ + kˆ, 
= 2iˆ + xjˆ +
kˆ, 
= iˆ − jˆ + 4kˆ and ⋅ ( × ) = 70 , then x is equal to
= iˆ + jˆ + kˆ, = 2iˆ + xjˆ +
kˆ, = iˆ − jˆ + 4kˆ and ⋅ ( × ) = 70 , then x is equal to
Answer : Option C
Explaination / Solution:
Q7. The function f : R → R is defined by f(x) = 
is
is
Answer : Option B
Explaination / Solution:
Q8. Let a function f be defined by f (x) =
x−|x| / x for x ≠ 0 and f (0) = 2
. Then f is x
Answer : Option D
Explaination / Solution:
Q9. ∫e√x dx is
Answer : Option D
Explaination / Solution:
Q10. 1 + 3 + 5 + 7 +……….+ 17 is equal to
Answer : Option B
Explaination / Solution:
