Question

100. यदि a और b दो पूर्णांक संख्याएँ हों, तो निम्न में से कौन एक पूर्णांक नहीं हो सकता ?
(A)
a + b
(B)
a-b
(C)
axb
(D)
इनमें से कोई नहीं
If a and b are two integers, then which of the following may not be an integer ?
(A) a + b
(B)
a-b
(C) axb
(D) none of these​

Answer 1

Answer:

option d

Step-by-step explanation:

because if an integer multiplied, divided , subtraction or added to any integer then the answer would always be an integer

Answer 2

Answer:

c,d

Step-by-step explanation:

as it is not necessary for a number to be integer after division

for eg. a=1 b=2

a+b=1+2=3

a-b=1-2=-1

ab=1*2=2

\frac{a}{b} = \frac{1}{2} \neq integerba=21=integer