Which of the following represents ab = 64?
A. 8 : a = 8 : b
B. a : 16 = 6 : 4
C. a : 8 = b : 8
D. 32 : a = b : 2
E. None of these
Answer: Option D
Solution (By Examveda Team)
A = 8 : a = 8 : b ⇒ 8a = 8b ⇒ a = b.B = a : 16 = b : 4 ⇒ 4a = 16b ⇒ a = 4b
C = a : 8 = b : 8 ⇒ 8a = 8b ⇒ b = a
D = 32 : a = b : 2 ⇒ ab =64
This Question Belongs to Arithmetic Ability >> Ratio
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