Question

Which of the followings is not a proportion -

(A) 5:6 :: 20 : 30 (B) 4:6 :: 20 : 30 (C) 5:6 :: 20 : 24 (D) 40:60 :: 20 : 30​

Answer 1

Answer:

A)

Step-by-step explanation:

A) = 5 : 6 : : 20 : 30

= 5 x 30 = 6 x 20

= 150 ≠ 120

Answer 2

Answer:

option (A)

Step-by-step explanation:

5/6=20/30

= 5/6=2/3

=5:6 = 2:3

Hence it is not a proportion

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