If a : b, b : and c : d, then the relation between a and d is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. a :.
⇒ a : b, b : 1/c and c : d
c is proportional to d, thus c can replace d
Now, we can say
⇒ b : 1/d
Similarly,
⇒ a : 1/d