NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 7: Algebra

True or False Questions

0 is a solution of the equation x + 1 = 0

The equations x + 1 = 0 and 2x + 2 = 0 have the same solution.

If m is a whole number, then 2m denotes a multiple of 2.

The additive inverse of an integer x is 2x.

If x is a negative integer, –x is a positive integer.

2x – 5 > 11 is an equation.

In an equation, the LHS is equal to the RHS.

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

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

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

t minutes are equal to 60t seconds.

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

‘One third of a number added to itself gives 8’, can be expressed as x/3 + 8 = x

The difference between the ages of two sisters Leela and Yamini is a variable.

The number of lines that can be drawn through a point is a variable.