Question
Two trains 165 metres and 135 metres in length are
running towards each other on parallel tracks, one at the rate 70 km/hr and another at 38 km/hr. In how many seconds will they be clear of each other from the moment they meet?Solution
Required time = Sum of the lengths of trains / Relative speed Relative speed = 70 + 38 = 108 kmph = (108 × 5)/18 = 30 m/sec Required time = (165 + 135)/30 = 300/30 = 10 seconds
More Trains Questions
(506 ÷ 22 + 9 × 3) × ? = 900 ÷ 9
Find the value of 325 × 5 + 31 × 21 – 22 × (63 − 52).
Find the simplified value of the given expression:
15 of 4 ÷ 3 × 4² + √49 – 1225% of 140 + 2 × 8 = ? + 9 × 5
?2 = (1035 ÷ 23) × (1080 ÷ 24)Â
√256 × 25 – 15 × 14 =?
19 × ? =361 ÷ 19
- What will come in place of (?) in the given expression.
(14)² – (12)² = ? 808 ÷ (128)1/7 + 482 = 4 × ? + 846
18/2 of 3/9 of 2/6 of 69690 = ?
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