B. 190 km
C. 220 km
D. 230 km
A man XY of height 1.75 cm stands at a distance of 4 metres from a pillar AB. If the pillar l is at the height of 5.25 m from the ground, what is the length of the man’s shadow on the ground?
P beats Q by 5 seconds in a race of 1000m and Q beats R by 5 metres in a race of 100m. By how many seconds does P beats R in a race of 1000 m?
If a man rows at the rate of 5 kmph in still water and his rate against the current is 3.5 kmph, then the man’s rate along the current is?
A is faster than B. A and B each walk 24 km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14 hours. Then, A’s speed is equal to:
A train takes 10 seconds to cross an electric pole. It takes 30 seconds to cross a train travelling in the same direction at 36 kmph and having a length of 300 m.Find its length (in metres).