MARTHENART
PRIMARY NUMBER SYSTEM
DIAMOND PACKAGE
20.
Assertion (A): The square of 31 is not a prime number.
Reason (R)
The square of a prime number is prime.
a) Both A and R are correct, R is the correct explanation of A.
b) Both A and R are correct but Ris not the correct explanation of A
c) A is correct, R is incorrect.
Passage type questions :
21.
b) composite
d) none
81 is
a) prime
c) neither prime nor composite
l'is
a) prime
c) neither prime nor composite
22.
b) composite
d) least whole number
d) Ais incorrect Biscote
Passage: A counting number is called a prime number when it is exactly
day
Answers
Answered by
1
Answer:
no because square of any number can't be a prime number even if it is a prime no.
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