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Train: crosses 120m platform in 10s, 84m platform in 8s. QI=train length. QII=50m. Compare.

1. Quantity I > Quantity II
2. Quantity I < Quantity II
3. Quantity I ≥ Quantity II
4. Quantity I ≤ Quantity II

Correct answer: Quantity I > Quantity II

Solution

(L+120)/10=(L+84)/8 → 8L+960=10L+840 → 2L=120 → L=60m. Train length (QI)=60m > 50m (QII). QI>QII.

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