Q62
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
AnswerE.
None of these
Answer: Option D
Solution
Answer: Option D
Solution:
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