The Timer has started 10:00
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1)
The negation of “Today is Friday” is
- A) Today is Saturday
- B) Today is not Friday
- C) Today is Thursday
- D) None of Above
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2)
The converse of the conditional statement p ® q is
- A) q ®p
- B) ~q ®~p
- C) ~p ®~q
- D) None of these
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3)
Contrapositive of given statement “If it is raining, I will take an umbrella” is
- A) I will not take an umbrella if it is not raining
- B) I will take an umbrella if it is raining.
- C) It is not raining or I will take an umbrella.
- D) None of these.
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4)
Let A= {1, 2, 3, 4} and R = {(1, 1), (2, 2), (3, 3),(4,4)} then
- A) R is symmetric.
- B) R is anti symmetric.
- C) R is transitive.
- D) R is reflexive.
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5)
How many functions are there from a set with three elements to a set with two elements?
- A) 6
- B) 8
- C) 11
- D) 12
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6)
1,10,102 ,103 ,104 ,105 ,106 ,107 ,................ is
- A) Arithmetic series
- B) Geometric series
- C) Arithmetic sequence
- D) Geometric sequence
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7)
[X] for x = -2.01 is
- A) -2.01
- B) -3
- C) -2
- D) -1.99
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8)
If A and B are two disjoint (mutually exclusive) events then
P(AUB) =
- A) P(A) + P(B) + P(AÇB)
- B) P(A) + P(B) + P(AUB)
- C) P(A) + P(B)
- D) P(A) + P(B) - P(AÇB)
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9)
If a die is thrown then the probability that the dots on the top are prime numbers or odd numbers is
- A) 1
- B) 1/3
- C) 2/3
- D) 4/3
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10)
The expectation of x is equal to
- A) Sum of all terms
- B) Sum of all terms divided by number of terms
- C) Σxf(x)
