A. 4/9
B. 5/9
C. 7/9
D. 8/9
Explanation:
Two balls can be picked from nine balls in ⁹C₂ ways.
We select one white ball and one red ball from five white balls and four red balls. This can be done ⁵C₁ . ⁴C₁ ways.
The required probability = (5 * 4)/⁹C₂ = 20/36 = 5/9
Mathematics Mcqs - Maths Mcqs are very important for every test. prepare for NTS, FPSC, PPSC, SPSC, CSS, PMS Test Preparation. and all other testing services. Most of the test syllabus contain Mathematics test portion. Here you will find most important Mathematics Mcqs. here these Mcqs will help you getting good marks in this Section. Here you will find most important Mcqs of Mathematics from Basic to Advance. some of the most important sub categories are: Average, Percentage, Problem on Ages, Time and Distance, HCF and LCM, Logarithms, Discount, Interest, Ratio & Proportion, Decimal Fraction and other.
| MATHEMATICS MCQS | |||
|---|---|---|---|
| 1. | Basic Maths Mcqs | 17. | Arithmetic Mcqs |
| 2. | Average Mcqs | 18. | Boats and Streams |
| 3. | Compound Interest | 19. | Areas |
| 4. | Height and Distance Mcqs | 20. | Discount Mcqs |
| 5. | Men Food Mcqs | 21. | interest Mcqs |
| 6. | Mixtures and Allegations | 22. | Mensuration |
| 7. | Partnership | 23. | Odd Man Out Series Mcqs |
| 8. | Pipes and Cisterns | 24. | Volumes |
| 9. | Permutations and Combinations | 25. | Probability |
| 10. | Problems on L.C.M and H.C.F | 26. | Problems on Numbers |
| 11. | Profit and Loss Mcqs | 27. | Quadratic Equations |
| 12. | Races and Games | 28. | Ratio and Proportion |
| 13. | Simple Equations | 29. | Simplification and Approximation |
| 14. | Stocks and Shares Mcqs | 30. | Time & Distance Mcqs |
| 15. | Time and Work Mcqs | 31. | Volume and Surface Area Mcqs |
| 16. | Percentage Mcqs | 32. | - |
IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG.
PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION.
