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- Alligation and Mixtures
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- Simple Interest
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- Successive Discount
- Syllogism
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- Train Problem
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- Venn diagram

Video Class
A person starts from his house to his friends place with 10 liters of petrol.

He was driving at 30 km/hour.

The mileage given by the car is 20 km/liter.

The petrol tank is leaking at half liters per hour.

When he returned back to his house he observed that the petrol tank was empty.

What is distance between the personâ€™s house and his friends place

He was driving at 30 km/hour.

The mileage given by the car is 20 km/liter.

The petrol tank is leaking at half liters per hour.

When he returned back to his house he observed that the petrol tank was empty.

What is distance between the personâ€™s house and his friends place

Video Class
There are 200 employees in a company.

An external vender is chosen to serve coffee twice a day.

100 coffee cups were offered by the company,

but as an incentive to have the cups in tact at the end of the day,

the company offered 30 paisa for every cup that was good and

charged 90 paisa for every broken cup.

At the end of the day, the vender received RS.24.

How many cups did the vender break?

An external vender is chosen to serve coffee twice a day.

100 coffee cups were offered by the company,

but as an incentive to have the cups in tact at the end of the day,

the company offered 30 paisa for every cup that was good and

charged 90 paisa for every broken cup.

At the end of the day, the vender received RS.24.

How many cups did the vender break?