Question
A bag contains 4 black balls, 6 white balls and 5 red
balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same colour.Solution
Total number of balls in the bag = 4 + 6 + 5 = 15 Total possible outcomes = 15C2 = 105 Number of favourable outcomes = 4C2 + 6C2 + 5C2 = 6 + 15 + 10 = 31 Required probability = 31/105
With reference to the Silk Production in India, which of the following statements is/are correct?Â
1. India is the world’s largest producer an...
A person and his wife appear in the interview for the two vacancies of a post. The probability of the selection of the husband and that of the wife are ...
Consider the following statements regarding the 24th Constitutional Amendment Act:
1. It excluded the Constitutional Amendment from the purview o...
Average age of company A is 20 years and average age of both companies A and B is 14 years. If the ratio of number of employees in company A and B is 1:...
“Theory of Union Control of Industry” was propounded by?
The money multiplier in an economy increases with which one of the following?
Which state become the first Indian state to roll out Universal Basic Income?
Which type of bond is formed when atoms share electrons?
A man deposited Rs. 13000 at 10% compound interest, compounded annually while Rs. 11500 at 13% simple interest per annum. What will be the difference be...
Relevant for Exams:
