Ramola's monthly income is three times Ravina's monthly income. Ravina's monthly income is $15\%$ more than Ruchira's monthly income. Ruchira's monthly income is $₹ 32,000$. What is Ramola's annual income?

Sonal spent $Rs. 45760$ on the interior decoration for her home,$Rs. 27896$ on buying an air conditioner,and the remaining $28 \%$ of the total amount she had as cash with her. What was the total amount?

The percentage increase in the surface area of a cube when each side is doubled is:

$3.5$ can be expressed in terms of percentage as

Two shopkeepers sell a radio of similar brand and type at the same list price of $₹ 1000$. The first allows two successive discounts of $20 \%$ and $10 \%$,and the second allows two successive discounts of $15 \%$ and $15 \%$. Find the difference in discounts offered by the two shopkeepers.

The difference between a discount of $35 \%$ and two successive discounts of $20 \%$ and $20 \%$ on a certain bill was ₹ $22$. Find the amount of the bill.