# Q.1.    Find the ratio of:           (a) Rs 5 to 50 paise            (b) 15 kg to 210 g           (c) 9 m to 27 cm            (d) 30 days to 36 hours

(a) Rs 5 to 50 paise
First, convert the given quantities into the same units,

So,  Rs 5 = $5 \times 100$ = 500 paise
Now, Ratio = $\frac{500}{50} = 10:1$

(b) 15 kg to 210 g
Converting the given quantities into the same unit.
So, 15 kg = $15 \times 1000$ = 15,000 g
Therefore, Required ratio
$\\=\frac{15000}{210}=500:7$

(c) 9 m to 27 cm
First, convert meter into centimetre
So,  9m = $9 \times 100 = 900 cm$
Therefore, the required ratio
$\frac{900}{27}=100:3$

(d) 30 days to 36 hours
Converting the given quantities into the same unit.
So, 30 days = $30 \times 24hr = 720 hrs$
Therefore, the ratio
$\frac{720}{36} = 20:1$

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