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CBSE Notes 2011-2012 » VIII-Maths

# Direct and Inverse Proportions

## If 20 men working together can finish a job in 20 days, then the number of days taken by 25 men of t...

Multiple choice question

If 20 men working together can finish a job in 20 days, then the number of days taken by 25 men of the same capacity to finish the job are

## 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