((341.789)1/3 × (0.0049)1/2)× 429.798/6.88 =? ((343)1/3 × 0.07)× 430/7 =? (7 ×0.07 ) × 430/7 =? ? = 30.1 ≈ 30
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Train ‘A’ running with a speed of 19.8 km/hr can cross a standing goods train of 4 times its length in 40 seconds. Find the time taken by 250 metres...
