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CBSE Notes 2011-2012 » VIII-Maths

# Direct and Inverse Proportions

## 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 ?

## 5 bags of wheat weigh 200 kg. How many such bags of wheat will weigh 800 kg ?

Multiple choice question

5 bags of wheat weigh 200 kg. How many such bags of wheat will weigh 800 kg ?

## 12 students can finish a project in 8 days. Howmany students can finish the same project in 4 days ?

Multiple choice question

12 students can finish a project in 8 days. Howmany students can finish the same project in 4 days ?

## A train 150 m long, is running at a speed of 90 km/hr. Then time taken by the train to cross a tree ...

Multiple choice question

A train 150 m long, is running at a speed of 90 km/hr. Then time taken by the train to cross a tree is