Question

Which of the following are in proportion?

(a) 15:40 :: 10:30

(b) 16:48 :: 25:75

(c) 40:60 :: 30:40

(d) 20:100 :: 30:120​

Answer 1

Answer:

(b)16:48::25:75

Step-by-step explanation:

product of extremes=product of means

=)16×75=48×25

=)1200=1200

hence they are in proportion

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Answer 2

Step-by-step explanation:

16:48 :: 25:75 is in proportion

16. 25

= --------. ----------

48. 75

1. 1

= -------. :: -------

3. 3

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