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ABHIJAATA DATTA from SPRINGDALE HIGH SCHOOL, KALYANI
Subject :NSO    Class : Class 7

A train crosses a bridge with constant velocity in 50 s as shown here. As the train crosses the bridge, the train covers a distance equal to its length and additional distance equal to the length of the bridge to cross it.

Select the correct statement.

AThe distance travelled by the train is 100 m.
BIf the train moving with speed 54 km/hr, then the time taken to cross the bridge is 20 s.
CSpeed of the train is 6 m/s
DAll of these


How can it be Option D when the answer is clearly option C?

Ans 1:

Advik from T.I.M.E School, Bandlaguda, Hyderabad
Class : Class 7
The distance travelled is 300 m and not 100

Ans 2:

Pratyush Sablok from Delhi Public School Banglore East, Bangalore
Class : Class 7

Ans 3:

Charunethra A from ,
Class : Class 7
Option C alone is right. The key is wrong. Their solution also explains this.

Ans 4:

ARNAV MISHRA from delhi public school rohini, Delhi
Class : Class 7
yes i think that b and c both are correct! but not on options!

Ans 5:

Pratyush Sablok from Delhi Public School Banglore East, Bangalore
Class : Class 7
the answer should be c, also mentioned in the explanations, but final answer the computated wrong

Ans 6:

ABHIJAATA DATTA from SPRINGDALE HIGH SCHOOL, KALYANI
Class : Class 7

Ans 7:

ARNAV MISHRA from delhi public school rohini, Delhi
Class : Class 7

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