Question
A bag contains 5 green balls, 4 blue balls and 6 yellow
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 = 5 + 4 + 6 = 15 Total possible outcomes = 15C2 = 105 Number of favourable outcomes = 5C2 + 4C2 + 6C2 = 10 + 6 + 15 = 31 Required probability = 31/105
- ____________ has launched its first global hackathon named “HARBINGER 2021 – Innovation for Transformation”. 
- Lending money and collection of the principal and interest are classified on the statement of cash flows as investing activities. 
- What was the Real Name of Singer Kishore Kumar? 
- When was the first Lok Sabha constituted? 
- Where is Sipat Thermal Power Plant located? 
- What Is the Highest Point of the Naga Hills? 
- Shore temple is situated in which state of India? 
- Which of the following has recently been added to the UNESCO list of intangible cultural heritages of humanity 
- Which of the following are peripheral devices of a computer? - 1. Plotter - 2. Control unit - 3. Scanner - 4. ALU 
- Sabarimala Temple, a prominent pilgrimage site, is located in which Indian state?