Find the ratio of the following in the simplest form :
1) $48$ to $60$
2) $80$ paise to INR $4$
3) $45$ minutes to $3$ hours
4) $4$ min to $45$ sec

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Solution

(a) 48 to 60 = $\frac{48}{60} = \frac{12}{15} = \frac{4}{5}$
(b) 80 paisa to 4 Rs. = $\frac{^{2}}{10} = \frac{1}{5}$
(c) 45 min to 3 hrs $= \frac{^{3}}{_{12}} = \frac{1}{4}$
(d) 4 min. to 45 sec $\frac{4 \times^{4}}{_{3}} = \frac{16}{3}$

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48

1

45

4

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