For the following questions answer them individually
In a transaction, the profit percentage is 70% of the cost. If the cost further increases by 40%, but the selling price remains the same, what is the difference between the two profit percentages?
An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an inerest of 14%, the effective rate of interest becomes:
A calculates his profit percentage on the selling price of an article. whereas B calculates his profit on the cost price of the same article. The selling price of both of them is the same and both get 40% profit. If the difference between their profits is 120, then the selling price (in ) of the article is:
The average of 19 numbers is 24. The average of the first 8 numbers is 26.5 and that of the last 12 numbers is 21.5. If the $$8^{th}$$ number is excluded, then what will be the average (correct to one decimal point) of the remaining numbers?
A, B and Care three numbers. A is 48% less than B and C is 20% more than the sum of A and B. By what percentage (correct to one decimal place) is B less than C?
The four walls of a room with dimensions 12 m $$\times$$ 15 m $$\times$$ 20 m are to be white washed at the rate of ₹2/$$m^{2}$$. Find the
cost.
A person lent a certain sum of money at 5% simple interest. If the interest after 6 years is ₹5,600 Jess than the sum lent, then what is the sum lent?
The value of $$\left(1\frac{1}{9} \times 1\frac{1}{20} \div \frac{21}{38} - \frac{1}{3}\right) \times \frac{3}{8} - \left(\frac{2}{3} \div \frac{3}{4} of \frac{5}{9} \div 3\frac{1}{5} + 1\frac{1}{6}$$ is: