In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of… · ABC26GN5347

Subject: General Aptitude · Chapter: Probability

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize ?

(a)$\frac{1}{10}$

(b)$\frac{2}{5}$

(c)$\frac{2}{7}$

(d)$\frac{5}{7}$

Answer

Answer (as printed): C

Explanation

$P$ (getting a prize) $=\frac{10}{(10+25)}=\frac{10}{35}=\frac{2}{7}$.

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Probability