Algebra Q#39
- Option : D
- Explanation :
Let the speed of train A and B be 2x
and 7x respectively.
∴Speed = Distance/Time
⇒Speed ∝ 1/Time [distance = constant]
∴ Required ratio, TA : TB = SB : SA
=7:2
Let the speed of train A and B be 2x
and 7x respectively.
∴Speed = Distance/Time
⇒Speed ∝ 1/Time [distance = constant]
∴ Required ratio, TA : TB = SB : SA
=7:2
