### Mathematics - Mathematical Reasoning

#### Question - 1

Which among the following is a statement?

• A Close the door
• B A square has all its unequal
• C N is a natural number
• D Please do me a favour

#### Question - 2

Which among the following is not a statement?

• A where are you going?
• B The sum of interior angles of a triangle is 2800
• C 12 is greater than 10.
• D Every set is a finite set.

#### Question - 3

Choose the correct statement among the following sentences.

• A give me a glass of water
• B 19 is lesser than 18
• C The Sun is a star
• D Hurrah! we have won the match

#### Question - 4

Which of the following is an open statement?

• A Good morning to all.
• B wish you all the best
• C x is a whole number
• D Where do you live?

#### Question - 5

Which among the following is a conjunction?

• A 12+12=24 or 12 is greater than 10
• B India is in Asia Lucknow is in UP
• C 2+2=4 and 12 is greater than 10
• D None of the above

#### Question - 6

Choose disjunction among the following sentences.

• A It is raining and the Sun is shining
• B Ram and Shyam are good friends
• C 2 or 3 is a prime number
• D Everyone who lies in India is an Indian

#### Question - 7

Which among the following is not a conjunction?

• A Gautam and Rahul are good friends
• B The earth is round and the Sun is hot
• C 9>4and12>15
• D None of the above

#### Question - 8

Which among the following is not negation of 'The Sun is a star'?

• A The Sun is not star
• B It is not the case that Sun is a star
• C It is false that the Sun is a star
• D It is true that the Sun is a star

#### Question - 9

The value of~(~p) is

• A ~p
• B p~
• C p
• D q

#### Question - 10

The negation of '12>4' is

• A $12\le4$
• B 13>5
• C 12>3
• D $12\ge 4$