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CBSE Notes 2011-2012 » VIII-Maths

# Direct and Inverse Proportions

## 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

## If 18 binders bind 900 books in 10 days, then how many binders will be required to bind 660 books in...

Multiple choice question

If 18 binders bind 900 books in 10 days, then how many binders will be required to bind 660 books in 12 days ?

## If ten pipes through which water flows at the same rate can fill a tank in 28 minutes. If three pipe...

Multiple choice question

If ten pipes through which water flows at the same rate can fill a tank in 28 minutes. If three pipes go out of order, how long will the remaining pipes take to fill the tank ?

## The cost price of 4 kg of sugar is Rs. 60. What will be the cost price of 20 kg of sugar ?

Multiple choice question

The cost price of 4 kg of sugar is Rs. 60. What will be the cost price of 20 kg of sugar ?