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CBSE Notes 2011-2012 » VIII-Maths

Direct and Inverse Proportions

If a train 120 m long crosses a man in 15 seconds. Then the speed of the train is

Multiple choice question

If a train 120 m long crosses a man in 15 seconds. Then the speed of the train is

A train is running at a speed of 90 km/hr, crosses a pole in 10 seconds. The length of the train is

Multiple choice question

A train is running at a speed of 90 km/hr, crosses a pole in 10 seconds. The length of the train is

x and y are in inverse proportion. If y = 15 when x = 3, then the value ofy when x = 9, is

Multiple choice question

x and y are in inverse proportion. If y = 15 when x = 3, then the value ofy when x = 9, is

x and y are in direct variation. I f y = 10 when x - 5, then value of y when x = 10, is

Multiple choice question

x and y are in direct variation. I f y = 10 when x - 5, then value of y when x = 10, is

Time taken to cover a distance by a car and speed of the car are said to be in

Multiple choice question

Time taken to cover a distance by a car and speed of the car are said to be in

If 12 m of a uniform iron rod weights 42 kg, what will be the weight of 6 m of the same rod?

Multiple choice question

If 12 m of a uniform iron rod weights 42 kg, what will be the weight of 6 m of the same rod?

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