CBSE Class 11 Maths Mathematical Reasoning Quiz 2

1. Which of the following is a statement

A

x is a real number

B

Switch of the fan

C

6 is a natural number

D

Let me go

2. Which of the following is not a statement

A

8 is less than 6.

B

Every set is finite set.

C

The sun is a star.

D

Mathematics is fun.

3. Which of the following is true

A

A prime number is either even or odd

B

√3 is irrational number.

C

24 is a multiple of 2, 4 and 8

D

Everyone in India speaks Hindi.

4. If (p and q) is false then

A

p is true and q is false

B

p is false and q is false

C

p is false and q is true

D

all of the above

5. The converse of the statement p ⇒ q is

A

p ⇒ q

B

q ⇒ p

C

~p ⇒ q

D

~q ⇒ p

6. The negation of the statement The product of 3 and 4 is 9 is

A

It is false that the product of 3 and 4 is 9

B

The product of 3 and 4 is 12

C

The product of 3 and 4 is not 12

D

It is false that the product of 3 and 4 is not 9

7. Sentence involving variable time such as today, tomorrow, or yesterday are

A

Statements

B

Not statements

C

may or may not be statements

D

None of these

8. The converse of the statement if a number is divisible by 10, then it is divisible by 5 is

A

if a number is not divisible by 5, then it is not divisible by 10

B

if a number is divisible by 5, then it is not divisible by 10

C

if a number is not divisible by 5, then it is divisible by 10

D

if a number is divisible by 5, then it is divisible by 10

9. Which of the following is the conditional p → q

A

q is sufficient for p

B

p is necessary for q

C

p only if q

D

if q then p

10. Which of the following is not a negation of the statement A natural number is greater than zero

A

A natural number is not greater than zero

B

It is false that a natural number is greater than zero

C

It is false that a natural number is not greater than zero

D

None of these