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CBSE Notes 2011-2012 » VIII-Maths

Direct and Inverse Proportions

14 pumps of equal capacity can fill a tank in 6 days. If the tank has to be filled in 4 days, then t...

Multiple choice question

14 pumps of equal capacity can fill a tank in 6 days. If the tank has to be filled in 4 days, then the number of extra pumps needed, are

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

If the value of two quantities are related in such a way that a change in one result is a correspond...

Multiple choice question

If the value of two quantities are related in such a way that a change in one result is a corresponding change in the other, then two quantities are said to be in

If two quantities are related in such a way that an increase in one quantity result in a correspondi...

Multiple choice question

If two quantities are related in such a way that an increase in one quantity result in a corresponding increase in the other quantity then such a variation is called

If two quantities x and y are related to each other in such a way that x/y remains a positive consta...

Multiple choice question

If two quantities x and y are related to each other in such a way that x/y remains a positive constant, then x and y are said to be in

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