Q.3 Write the following sets in roster form

(iii) C = {x : x is a two-digit natural number such that the sum of its digits is 8}

Answers (1)
S safeer

The two digit numbers having sum equal to 8 are: 17,26,35,44,53,62,71,80.

This can be written as:

C= \left \{ 17,26,35,44,53,62,71,80 \right \}

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