Question

Which of the following is an equation in a variable?

(a)102=5

(b)2×3+2×1=8

(c)2×4=8

(d)3p=12.​

Answer 1

Answer:

Option d 3p = 12 is an equation with one variable.

Answer 2

Answer:

The correct option is Option D

Step-by-step explanation:

The explanation for the correct options:

Option D:

(d)3p=12.​

It is an equation of variable p.

The explanation for the incorrect options:

Option A:

(a)102=5

It is an equation with no variable. But it is a false equation.

(b)2×3+2×1=8

It is an equation with no variable. But it is a false equation.

(c)2×4=8

It is an equation with no variable. But it is a false equation.