defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Mathematics Probability Probability of Random Experiments
A bag contains 7 red and 4 blue balls. Two balls are drawn at random with replacement. The probability of getting the balls of different colors is:
1
\(\dfrac{28}{121}\)
2
\(\dfrac{56}{121}\)
3
\(\dfrac{1}{2}\)
4
None of these