Mathematics - Online Test
Q1. If f(x) = log, then is equal to
Answer : Option B
Explaination / Solution:
Q2. Suppose n (≥3) persons are sitting in a row. Two of them are selected at random. The probability that they are not together is
Answer : Option D
Explaination / Solution:
No Explaination.
Q3. If then f (x) – f (- x) is equal to
Answer : Option A
Explaination / Solution:
f(x)=|x|x=xx=1f(−x)=|−x|−x=x−x=−1f(x)−f(−x)=1−(−1)=1+1=2
Q4. One ticket is selected at random from 100 tickets numbered 00, 01, 02…, 99. Suppose S and T are the sum and product of the digits of the number on the ticket, then the probability of getting S = 7 and T = 0 is
Answer : Option A
Explaination / Solution:
No Explaination.
Q5. A box contains 100 eggs out of which 4 are rotten. Two eggs are taken out together. If one of them is found to be good, the probability that other is also is
Answer : Option A
Explaination / Solution:
No Explaination.
Q6. Which of the following functions is not one-one ?
Answer : Option B
Explaination / Solution:
No Explaination.
Q7. A digit is selected at random from either of the two sets { 1, 2, 3, 4, 5, 6, 7, 8, 9} and {1, 2, 3, 4, 5, 6, 7, 8, 9{. What is the chance that the sum of the digits selected is 10 ?
Answer : Option D
Explaination / Solution:
No Explaination.
Q8.
If f (x) = then f (1) is equal to
Answer : Option D
Explaination / Solution:
No Explaination.
Q9. If two squares are chosen at random on a chess board, the probability that they have a side common is
Answer : Option A
Explaination / Solution:
No Explaination.
Q10. The domain of the real-valued function is
Answer : Option C
Explaination / Solution:
No Explaination.
