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a : b= 5:7 , b : c = 6:11 ആയാൽ, a : b : c = ?

A55:42:77

B30:42:77

C30:40:77

D30:77:42

Answer:

B. 30:42:77

Read Explanation:

a ∶ b= (5 ∶ 7) × 6 = 30 ∶ 42 b ∶ c = (6 ∶ 11) × 7 = 42 ∶ 77 അപ്പോൾ അനുപാതം a ∶ b ∶ c ആണ് a ∶ b ∶ c = 30 ∶ 42 ∶ 77


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