# Permutations, Combinations and Probability-Probability (Bank-PO (IBPS) Quantitative-Aptitude): Questions 1 - 4 of 4

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## Question number: 1

» Permutations, Combinations and Probability » Probability

MCQ▾

### Question

Now Birbal comes and picks up a Red Ball. Find the ratio of not picking up a White ball to that of picking up a Red ball?

### Choices

Choice (4) Response

a.

2: 3

b.

4: 7

c.

7: 4

d.

3: 2

## Question number: 2

» Permutations, Combinations and Probability » Probability

MCQ▾

### Question

If Akbar picks up three balls, then, find the probability of Akbar not picking up a White ball?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Permutations, Combinations and Probability » Probability

MCQ▾

### Question

Find the minimum number of people required to stand in a line such that there is more than 50 % probability to have at least single one of them born in a leap year?

### Choices

Choice (4) Response

a.

2

b.

99

c.

1

d.

None of the above

## Question number: 4

» Permutations, Combinations and Probability » Probability

MCQ▾

### Question

In how many ways, can you arrange the letters of the word CIRCLE such that no two vowels are together?

### Choices

Choice (4) Response

a.

120

b.

480

c.

240

d.

360