Q50 of 97 Page 107

The distance between New Delhi and Bhopal is not a variable.

The distance between New Delhi and Bhopal will be a constant

∵ every time it won’t change. The distance between them is fixed.

So, that is not a variable.

∴ given statement is correct.

In the equation 7k – 7 = 7, the variable is 7.

a = 3 is a solution of the equation 2a – 1 = 5

t minutes are equal to 60t seconds.

x = 5 is the solution of the equation 3x + 2 = 20