CBSE 11TH MATHEMATICS - Online Test
Q1.
The domain of the function is
Answer : Option A
Explaination / Solution:
this function exists only if
it is true
so domain of f(x) is R
Q2. In a single throw of two dice, the probability of getting a total of 7 or 9 is
Answer : Option D
Explaination / Solution:
No Explaination.
Q3. The coordinates of the foot of perpendicular from the point A ( 1, 1 , 1 ) , on the line joining the points B ( 1 , 4 , 6 ) and C ( 5 , 4 , 4 ) are
Answer : Option B
Explaination / Solution:
No Explaination.
Q4. The domain of the function is
Answer : Option D
Explaination / Solution:
this function exists only if
1−cosx≥0
⇒cosx≤1
it is possible ∀x∈R
Q5. A box contains 100 tickets numbered 1, 2, 3, ….100. Two tickets are chosen at random. If it is given that the maximum number on the two chosen tickets is not more than 10, then the probability that the minimum number on them is not less than 5 is
Answer : Option B
Explaination / Solution:
No Explaination.
Q6. The points ( 1, 2 , 3 ) , ( - 1, -1 , - 1 ) and ( 3, 5 , 7 ) are the vertices of
Answer : Option B
Explaination / Solution:
No Explaination.
Q7.
The domain of the function f (x) = is
Answer : Option B
Explaination / Solution:
this exists only if
Q8. Let A and B be two independent events. The probability that both A and B occur is and the probability that neither A nor B occurs is . The respective probabilities of A and B are
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. Let x be any real, then [x + y] = [x] + [y] holds for
Answer : Option D
Explaination / Solution:
Q10. Two events A and B have probabilities 0.25 and 0.50 respectively. The probability that both A and B occur simultaneously is 0.14. Then the probability that neither A nor B occurs is
Answer : Option A
Explaination / Solution:
No Explaination.
