Question

Statement A : If x' divides 'y', then 'y' is a multiple of x
Statement B: Every composite number has atleast two factors
a) Both A and B are true
b) Both A and B are false
-) A is true and B is false
d) A is false and B is true
RALD PACKAGES
umber of prime numbers from 1 to 100 is
25
b) 21
nong the following, perfect number is
b) 28
c) 16
c) 625
ertion (A): 31 is a prime, so 496 is perfect number
son (R): If 2K -1 is a prime, then 2K-1(2K-1) is a perfect number
oth A and R are correct and R is correct explanation of A
oth A and R are correct but R is not correct explanation of A
is correct, R is incorrect
d) A is incorrect, R is co​

Answer 1

Both A,B true

there are 25 primes between 1 to 100

28 is perfect number as, 28= 1+2+4+7+14(i.e. some of its divisors)

A is correct, R is not

as 7= 2*4-1 but 49 is not perfect

Answer 2

Step-by-step explanation:

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