Basic Numeracy/Quantitative Aptitude

1039. A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?

	(a) 4 km/hr
	(b) 6 km/hr
	(c) 8 km/hr
	(d) Data inadequate

1040. In a dairy farm, 40 cows eat 40 bags of husk in 40 days. In how many days one cow will eat one bag of husk?

	(a) 1
	(b) 1/40
	(c) 40
	(d) 80

1041. Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30º and 45º respectively. If the lighthouse is 100 m high, the distance between the two ships is

	(a) 173 m
	(b) 200 m
	(c) 273 m
	(d) 300 m

1042. A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30º with the man's eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60º. What is the distance between the base of the tower and the point P?

	(a) 4v3 units
	(b) 8 units
	(c) 12 units
	(d) Data inadequate

TOTAL

Detailed Solution

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