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
5%
8%
10%
4%
Concept: Successive percentage calculation. Explanation: 40% employees are laid off. Among them, 20% are developers. So percentage of total employees: \[ 40\% \times 20% = \frac{40}{100} \times \frac{20}{100} = 8% \]
A box contains 16 red, 12 white, and 15 yellow identical marbles. A man picks one marble at a time without replacement. How many times must he pick a marble to be 100% certain of picking at least 3 white marbles?
A positive integer $m$ is increased by 20% and the resulting number is 1080. Then the integer $m$ is
If one-fourth of a number exceeds 20% of the number by 10, then the number is
What is the pass mark in the examination?
Statements: I. A student secures 32% but fails by 6 marks.
Statements: II. The total marks is 200.