Question

2. Check whether the following numbers are in proportion or sot (i) 18, 10,9,5 ​

Answer 1

Step-by-step explanation:

If two ratios are equal then

$product \: of \: extremes = product \\ of \: means$

So,

$18 \times 5 = 10 \times 9 \\ 90 = 90$

So,both the ratios are in proportion