If 35% of a number is 12 less than 50% of that number, then the number is:

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?