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Recent Answer : :
Answer: 66.67 km approx.
Solution:
Let the first train A move at u km/h.
Let the second train B move at v km/h.
Let the distance between two trains be d km
Let the speed of bee be b km/h
Therefore, the time taken by trains to collide = d/(u+v)
Now putting all the known values into the above equation, we get,
u = 50 km/hr
v = 70 km/hr
d = 100 km
b = 80 km/hr
Therfore, the total distance travelled by bee
= b*d/(u+v)
= 80 * 100/(50+70)
= 66.67 km (approx)
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A. 1 Kg
B. 7 Kg
C. 14 Kg
D. 31 Kg
Recent Answer : :
31
cos
434-403=31
465-434=31
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ans=1.414*20
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A. 48 kg
B. 49 kg
C. 50 kg
D. 51 kg
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c
6,36