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Concept of Average Speed: LCM of 100, 200, 300 and 400 = 1200 Now, Average Speed = Total distance travelled/Total time taken = (1200 ×4)/(1200/100+1200/200+1200/300+1200/400) = (1200 ×4)/25= 192 kmph
8 workers working for 8 days make 8 motor cycles. Then how many motor cycles would be made by 4 workers if they work for 4 days? Assume equal efficiency...
"The irregular and indented coastline provides ideal location for natural harbours and ports. From the point of view of commerce, it is the busiest ocea...
Hot air balloon rises up because
Consider the following statements :
1. 1800 E and 1800 W meridians are on the same line.
2. As...
Inland water transport does not take place in the rivers of
Oceanic tides are the smallest on the
The line connecting place of equal temperatures is:
A Pilot flying a helicopter looks at the image of the moon in a river. He finds the diameter of the moon covering the entire width of the river. When he...
The President of India can grant pardon to a convict sentenced to death vide:
Five rods are kept in a line such that any of the rods is thrice the length of the previous one. The average length of the rods is about
