Hello Students! We've introduced "25 Days Study Plan for IBPS PO Mains 2016". By following this plan you can study and prepare better in a more disciplined way. We'll cover all type of questions that are asked in Bank PO exam. So, follow this dedicated post for the QUANT Section.

**Today is DAY 11 of the study plan and in Quantitative Aptitude today’s chapter is Probability**

**Directions (1-5): Study the given information carefully**

**A basket contains 6 blue, 2 red, 4 green and 3 yellow balls.**

**Q1. If 2 balls are picked at random, what is the probability that either both are green or both are yellow?**

(a) 2/5

(b) 3/35

(c) 1/3

(d) 3/91

(e) None of these

**Q2. If 5 balls are picked at random, what is the probability that at least one is blue?**

(a) 137/145

(b) 9/91

(c) 18/455

(d) 2/5

(e) None of these

**Q3. If 2 balls are picked at random, what is the probability that both are blue?**

(a) 1/5

(b) 8/91

(c) 2/15

(d) 2/27

(e) None of these

**Q4. If 4 balls are picked at random, what is the probability that 2 are red and 2 are green?**

(a) 4/15

(b) 5/27

(c) 1/3

(d) 2/455

(e) None of these

**Q5. If 3 balls are picked at random, what is the probability that none is yellow?**

(a) 3/455

(b) 1/5

(c) 44/91

(d) 4/5

(e) None of these

**Q6. An urn contains 3 red, 6 blue,2 green and 4 yellow balls. If two balls are picked randomly then the probability that either both are red or both are green is**

(a) 3/5

(b) 4/105

(c) 2/7

(d) 5/91

(e) None of these

**Q7. A basket contains 2 white bands, 3 green bands and 5 blue bands. In how many ways can three bands be drawn from the basket, if at least one green band is to be included in the drawn?**

(a) 95

(b) 84

(c) 85

(d) 80

(e) 65

**Q8. A card is drawn from a pack of 52 cards. The probability of getting a king of a club or a queen of heart is**

(a) 3/26

(b) 1/13

(c) 2/13

(d) 1/26

(e) 1/52

**Q9. Out of 5 women and 4 men, a committee of three members is to be formed in such a way that at least one member is woman. In how many different ways can this be done?**

(a) 60

(b) 100

(c) 120

(d) 90

(e) 80

**Q10. A box contains 2 black, 3 orange and 4 pink ribbons. If two ribbons are drawn at random. What is the probability that both are orange?**

(a) 5/12

(b) 1/13

(c) 1/14

(d) 1/12

(e) 1/24

**Q11. A committee of 4 is to be formed from among 4 girls and 5 boys. What is the probability that the committee will have number of boys less than number of girls?**

(a) ¼

(b) 1/5

(c) 1/6

(d) 1/7

(e) None of these

**Q12. A box contains 4 black balls, 3 red balls and 5 green balls. 2 balls are drawn from the box at random. What is the probability that both the balls are of the same colour?**

(a) 47/68

(b) 1/6

(c) 19/66

(d) 2/11

(e) None of these

**Q13. In a box carrying one dozen of oranges, one-third have become bad. If 3 oranges are taken out from the box at random, what is the probability that at least one orange out of the three oranges picked up is good?**

(a) 1/55

(b) 54/55

(c) 45/55

(d) 3/55

(e) None of these

**Q14. A box contains 5 green, 4 yellow and 3 white marbles. 3 marbles are drawn at random. What is the probability that they are not of the same colour?**

(a) 13/44

(b) 41/44

(c) 13/55

(d) 152/55

(e) None of these

**Q15. Out of 15 students studying in a class, 7 are from Maharashtra, 5 from Karnataka and 3 from Goa. Four students are to be selected at random. What are the chances that at least one is from Karnataka?**

(a) 12/13

(b) 11/13

(c) 100/15

(d) 51/15

(e) None of these

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