Question
A motor car travels a distance of 180 km at the speed of
20 kmph. If it covers the next 100 km of its journey at the speed of 20 kmph and last 40 km of its journey at the speed of 20 kmph. What is the average speed of the car?ÂSolution
D 1= 180 Km, S1= 20 Km/hr, D2= 100 Km, S2 = 20 Km/hr, D3= 40 Km, S3= 20 km/hr. T1= 180/20= 9 hr. T2 = 100/20= 5 hr. T3= 40/20=2 hr. Average Speed = 320/16=20 km/hr.
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Only friend are group
Some friend are loyal
All loyal are honest
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In the question below some statements are given followed by three conclusions I, II and III. You have to take the given statements to be true even if t...
In the question three statements are given, followed by three conclusions, I, II and III. You have to consider the statements to be true even if it see...
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All tomato are brinjal.
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Only a few pencils is mobile
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No waiter is a bar.
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All exams are marks.
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