How many rational numbers of the form k/100 (k an integer) lie strictly between 3/10 and 2/5?

9. 3/10 = 30/100 and 2/5 = 40/100. Strictly between, k = 31, 32, ..., 39, i.e. 9 numbers.

How many rational numbers of the form $\frac{k}{100} (k$ an integer) lie strictly between $\frac{3}{10}$ and $\frac{2}{5}$ ?

Class 8Rational Numbers Between Two NumbersRational Numbers

\frac{3}{10} = \frac{30}{100}

and

\frac{2}{5} = \frac{40}{100}

. Strictly between,

k = 31

, 32, ..., 39, i.e. 9 numbers.

Answer: A) 9

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