Are the following in proportion?
$20 k g, 80 k g = R s 100, R s 300$

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Solution

Given
$20 k g, 80 k g = R s 100, R s 300$
It is written as $20 : 80 : : 100 : 300$
First and last term is called extreme terms, that is $20$ and $300$ and $80$ and $100$ is called middle terms.
product of extreme terms = product of middle terms
$20 \times 300 = 80 \times 100 6000 \neq 8000$
Hence $20 k g, 80 k g = R s 100, R s 300$ are not in proportion.

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Similar questions

Determine if the following ratios form a proportion. Also write the middle terms and extreme terms where the ratios form a proportion.
(i) $25 c m : 1$ m and $R s . 40 : R s . 160$
(ii) $39$ litres : $65$ litres and $6$ bottles $: 10$ bottles
(iii) $2 k g : 80 k g$ and $25 g : 625 g$
(iv) $200 m L : 2.5 L$ and $R s . 4 : R s . 50$

Q. Determine if the following ratios forms a proportion. Also, write the middle terms and extreme terms if the ratios are in proportion.

2 k g; 80 k g

and

25 g; 625 g

Q. Determine if the following ratios form a proportion:
(i) 25 cm : 1 m and Rs 40 : Rs 160
(ii) 39 litres : 65 litres and 6 bottles : 10 bottles
(iii) 200 mL : 2.5 L and Rs 4 : Rs 50
(iv) 2 kg : 80 kg and 25 g : 625 kg

Show that given ratio are in proportion

7.5 l i t r e s : 15 l i t r e s = 5 k g : 10 k g

99 k g : 45 k g = r s 44 : r s 20

32 m : 64 m = 6 s e c : 12 s e c

Are the following quantities in proportion or not?

$20, 25, 80, a n d 100$

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Are the following in proportion? 20kg,80kg=Rs100,Rs300

Given 20kg,80kg=Rs100,Rs300It is written as 20:80::100 :300First and last term is called extreme terms, that is 20 and 300 and 80 and 100 is called middle terms.product of extreme terms = product of middle terms20×300=80×1006000≠8000Hence 20kg,80kg=Rs100,Rs300 are not in proportion.

Are the following in proportion?
$20 k g, 80 k g = R s 100, R s 300$