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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

## A certain number of men can finish a piece of work in 100 days. If however, there were 10 men less, ...

Multiple choice question

A certain number of men can finish a piece of work in 100 days. If however, there were 10 men less, it would take 10 days more for the work to be finished. How many men were originally there ?

## A certain number of men could do a piece of work in 60 days. If there were eight more men, it could ...

Multiple choice question

A certain number of men could do a piece of work in 60 days. If there were eight more men, it could be finished in 10 days less. The number of men in the beginning were