Mathematics - Online Test
Q1. A condition for a function y = f (x) to have an inverse is that it should be
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. The system of linear equations
4x + 2y = 7
2x + y = 6 has
Answer : Option B
Explaination / Solution:
Q3. The chance that an event E ‘occurs’ or does not occur’s
Answer : Option A
Explaination / Solution:
No Explaination.
Q4. Set A has 3 elements and set B has 4 elements. The number of injections that can be defined from A to B is
Answer : Option D
Explaination / Solution:
No Explaination.
Q5. The equation sin(z) = 10 has
Answer : Option A
Explaination / Solution:
No Explaination.
Q6. Mean number of ‘sixes’ in four throws of a fair dic is
Answer : Option C
Explaination / Solution:
No Explaination.
Q7.
The range of the function is
Answer : Option B
Explaination / Solution:
No Explaination.
Q8. For real values of x , the minimum value of the function
f (x) = exp(x) + exp(- x) is
Answer : Option A
Explaination / Solution:
Q9. From a deck of 52 cards, the probability of drawing a court card is
Answer : Option B
Explaination / Solution:
No Explaination.
Q10.
On the set Z of all integers define f ; Z Z as follows : f ( x ) = x/2 if x is even , and f ( x ) = 0 if x is odd , then f is
Answer : Option D
Explaination / Solution:
No Explaination.
