Question

The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18. What is the number of rotten apples in the heap ?

Answer 1

The probability is $0.18$

The number of rotten apples be $x$

The no. of apples $=900$

The probability is

$\frac{x}{900}=0.18x=\frac{18}{100}\times 900=9\times 18=162$