Question

Fill in the blanks.
(i) The letters a, b, c, … x, y, z are used to represent _________.
(ii) A quantity that takes ___________ values is called a variable.
(iii) If there are 5 students in a bench, then the number of students in ‘n’ benches
is ‘5 × n’. Here ___________ is a variable.

Answer 1

i)unknown value
ii)unknown
iii)n

Answer 2

A variable is an alphabet that represents an unknown number or quantity.

(i) The letters a, b, c, … x, y, and z are used to represent variables.

(ii) A quantity that takes unknown values is called a variable.

(iii) If there are 5 students on a bench, then the number of students in ‘n’ benches

is ‘5 × n’. Here n is a variable.

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