The marked price of the item is Rs. 400.
Price after the first discount:
\[ \text{Price after first discount} = 400 \times (1 - 0.30) = 400 \times 0.70 = 280 \]
Price after the second discount:
\[ \text{Price after second discount} = 280 \times (1 - 0.20) = 280 \times 0.80 = 224 \]
Price after the third discount:
\[ \text{Price after third discount} = 224 \times (1 - 0.20) = 224 \times 0.80 = 179.2 \]
Price after the fourth discount:
\[ \text{Price after fourth discount} = 179.2 \times (1 - 0.10) = 179.2 \times 0.90 = 161.28 \]
The actual selling price of the item is Rs. 161.28.
A positive integer $m$ is increased by 20% and the resulting number is 1080. Then the integer $m$ is
A software company lays off 40% of its employees. Among the laid-off employees, 20% are developers. The percentage of laid-off developers from the total employees of the company is
If one-fourth of a number exceeds 20% of the number by 10, then the number is
Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?