Question 1 :
A businessman earns an income of Rs 1 on the first day of his business On every subsequent day he earns an income which is double of that made on the previous day On the 10th day of his business his income is (in Rs)

Question 2 :
The original price of a washing machine which was bought for $Rs. 13,500$ inclusive of $8\%$ VAT is

Question 3 :
<b>The compound interest on $&#8377;\ 40000$ at $6 \%$ per annum for $6$ months, compounded quarterly, is</b>

Question 4 :
In the month of January Sachin's income and expenses were Rs 15,000 and Rs 9000 respectively<br>His monthly expenses vary directly as the square of his monthly income What is his income when it just equals his expenses?

Question 5 :
Lucy invested $\$10,000$ in a new mutual fund account&#160;exactly three years ago. The value of the account&#160;increased by $10$ percent during the first year,increased by $5$ percent during the second year, and&#160;decreased by $10$ percent during the third year. What is&#160;the&#160;value of the account today?&#160;

Question 6 :
By selling two articles, a man gains Rs.3,750 onthe whole, He sells one article for Rs. 69,000 at15% profit. Find the cost price of the other article,if it is sold at 20% loss.