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a- യുടെ 30% = b- യുടെ 20% ആയാൽ (a+b): (b - a) എത്ര

A3:2

B2:3

C1:5

D5:1

Answer:

D. 5:1

Read Explanation:

a× 30% = b × 20% a/b = 20/30 = 2/3 ( a+b) : (b-a) = (2+3):(3-2) = 5:1


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