Three numbers A, B and C are in the ratio of 15 : 21 : 27. The ratio of the difference between B and A to the difference between C and B is:
Answer & explanation
Correct answer: option 1
According to the question,
A : B : C = 15 : 21 : 27
⇒ B - A : C - B
6 : 6
⇒ Therefore, the answer is 6 : 6 = 1 : 1