Question 43

In a wooden box, there are four red and four black balls. If two balls are taken out simultaneously at random, then the probability of both balls being red is:

Solution

Probability of both balls being red=$$\frac{4}{8}$$×$$\frac{3}{7}$$=3/14


Create a FREE account and get:

  • Download RRB Study Material PDF
  • 45+ RRB previous papers with solutions PDF
  • 300+ Online RRB Tests for Free

cracku

Boost your Prep!

Download App