Math, asked by Anonymous, 1 year ago

60 km/h की रफ्तार वाली 600 मीटर लंबी रेलगारी को 800 मीटर लंबे प्लेटफोर्म को पार करने मे कितना समय लगेगा
(A) 75 सेकेंड (B) 90 सेकेंड (C) 84 सेकेंड (D)42 सेकेंड​


Anonymous: ___k off

Answers

Answered by anuj9296
0
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first change the speed in m/sec.

and then use the formula : \boxed{t= d/s}

=1400/(60 × 5/18 )

=1400/300/18

=1400×18/300

= \boxed{84\:sec}

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