150 is a rational number.
A rational number is defined as a number that can be expressed in the form pq where p (numerator) and q (denominator) are integers and q≠0.
Now in 150, the denominator is zero.
Hence, 150 is not a rational number.
Question 10 Multiplicative inverse of a negative rational number is: (a) a positive rational number. (b) a negative rational number. (c) 0 (d) 1