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A train 800 meters long is running at a speed of 78 km/hr . If it crosses a tunnel in 1 minute, then the length of the tunnel ( in meters ) is :
A360
B500
C540
D130
উত্তর : B.
500
সম্পর্কিত প্রশ্ন সমূহ
A
630
B
1260
C
2520
D
196
A
900
B
1550
C
2250
D
465
A
22
B
24
C
48
D
20
A
1 : 1
B
3 : 4
C
4 : 3
D
2 : 3
A
25m/sec
B
1500m/min
C
90km/hr
D
None of these

