Aman gave 40% of the amount he had to Rohan. Rohan is turn gave one-fourth of what he received from Aman to Sahil. After paying Rs.200 to the taxi driver out of the amount he got from Rohan, Sahil now has Rs.600 left with him. How much amount did Aman have?

Successive discounts of $20\%$ and $10\%$ are given on an item marked at $Rs.700$. Find the selling price.

The price of a refrigerator and a television set are in the ratio $5:3$. If the refrigerator costs $₹5500$ more than the television set, then the price of the refrigerator is?

Two drum sets were purchased for $₹8000$. The first is sold at a profit of $40\%$ and the second is sold at a loss of $40\%$. If the selling price of both the drum sets is the same then what is their cost price? 

• Two successive discounts of $10\%$ and $10\%$
• Buy $7$ and get $8$
• Buy $9$ and get $1$ free

Vinod purchased a Maruti van for $₹196000$. Rate of fall of price per year of this van is $14\frac{2}{7}\%$. What will be its price after two years?