Question

Q4) Choose the wrong statement :
a)Every natural number is a whole number.
b)Every integer is a rational number.
c)Every rational number is an integer.
d)Every rational number is a real numbe
Q5) (5+ V5) (5- V5) on simplification gives :
a) 20
b) 2 V5
c) 10
d)25
Q6) If the equation 3y=7 is expressed as ax+by+c=0 then which of the following is correct ?
b) a=3, b=0, C= -7
a) a=0, b=7, C=3
c) a=0, b=3, C= -7
d) a=3, b= -7,c=0​

Answer 1

Step-by-step explanation:

(i) True every natural is a whole number because natural number start from    1 and whole number start from 0, so every natural number is a whole number.

(ii) True because an integer is a whole number ( not a fractional number ) that can be positive or zero.  

(iii)  False a rational number is any number that can be expressed as the quotient of two integers.