24
MCQ (Single Correct Answer)
The negation of the statement "Plants take in $\mathrm{CO}_2$ and give out $\mathrm{O}_2$ " is
A
Plants do not take in $\mathrm{CO}_2$ and do not given out $\mathrm{O}_2$
B
Plants do not take in $\mathrm{CO}_2$ or do not give out $\mathrm{O}_2$
C
Plants take is $\mathrm{CO}_2$ and do not give out $\mathrm{O}_2$
D
Plants take in $\mathrm{CO}_2$ or do not give out $\mathrm{O}_2$
25
MCQ (Single Correct Answer)
The negative of the statement "Rajesh or Rajni lived in Bangaluru" is
A
Rajesh did not live in Bengaluru or Rajni lives in Bengaluru
B
Rajesh lives in Bengaluru and Rajni did not live in Bengaluru
C
Rajesh did not live in Bengaluru and Rajni did not live in Bengaluru
D
Rajesh did not live in Bengaluru or Rajni did not live in Bengaluru
26
MCQ (Single Correct Answer)
The negation of the statement " 101 is not a multiple of 3 " is
A
101 is a multiple of 3
B
101 is a multiple of 2
C
101 is an odd number
D
101 is an even number
27
MCQ (Single Correct Answer)
The contrapositive of the statement "If 7 is greater than 5 , then 8 is greater than 6 " is
A
If 8 is greater than 6 , then 7 is greater than 5
B
If 8 is not greater than 6 , then 7 is greater than 5
C
If 8 is not greater than 6 , then 7 is not greater than 5
D
If 8 is greater than 6 , then 7 is not greater than 5
28
MCQ (Single Correct Answer)
The converse of the statement "If $x>y$, then $x+a>y+a$ " is
A
If $x< y$, then $x+a< y+a$
B
If $x+a>y+a$, then $x>y$
C
If $x< y$, then $x+a< y+a$
D
If $x>y$, then $x+a< y+a$