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CBSE Notes 2011-2012 » VIII-Maths

Direct and Inverse Proportions

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?

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 ?

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