The sum of two numbers is $2490$. If $6.5\%$ of one number is equal to $8.5\%$ of the other,then the numbers are:

The price of a table depreciates every year by $20 \%$. If the value of the table after $2$ years is $Rs$ $32,000$,then what is the present price (in $Rs$) of the table (in $,000$)?

In the last financial year,a car company sold $41,800$ cars. In this year,the target is to sell $51,300$ cars. By what percent must the sale be increased?

$A$ reduction of $10 \%$ in the price of tea enables a dealer to purchase $25 \ kg$ more tea for $Rs \ 22500$. What is the reduced price per $kg$ of tea?

Two litres of water evaporate from $10$ litres of a solution containing $10 \%$ salt. The percentage of salt in the remaining solution is

An empty fuel tank of a car was filled with $A$ type petrol. When the tank was half-empty,it was filled with $B$ type petrol. Again when the tank was half-empty,it was filled with $A$ type petrol. When the tank was half-empty again,it was filled with $B$-type petrol. What is the percentage of $A$ type petrol at present in the tank?