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CBSE Notes 2011-2012 » VIII-Maths

Direct and Inverse Proportions

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

If a train 120 m long crosses a man in 15 seconds. Then the speed of the train is

Multiple choice question

If a train 120 m long crosses a man in 15 seconds. Then the speed of the train is

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