Question

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

• A. 3:2
• B. 2:3
• C. 1:5
• D. 5:1

Answer 1

Answer:

D. 5:1

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