# Quiz Discussion

In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?

Course Name: Quantitative Aptitude

• 1]

120

• 2]

720

• 3]

4320

• 4]

2160

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

A speaks truth in 75% cases and B in 80% of the cases. In what percentage of the cases are they likely to contradict each other, narrating the same incident?

• 1]

5%

• 2]

15%

• 3]

35%

• 4]

45%

##### Solution
2
Discuss

If A, B and C are mutually exclusive and exhaustive events of a random experiment such that P(B)=3/2​P(A) and P(C)=1/2​P(B), then P(A∪C)=

• 1]

3/13

• 2]

6/13

• 3]

7/13

• 4]

10/13

##### Solution
3
Discuss

In how many ways can the letters of the word 'LEADER' be arranged?

• 1]

360

• 2]

720

• 3]

120

• 4]

None Of These

##### Solution
4
Discuss

How many words, with or without meaning, can be formed using all letters of the word EQUATION using each letter exactly once?

• 1]

38,320

• 2]

39,320

• 3]

38,400

• 4]

40,320

##### Solution
5
Discuss

In how many ways can a cricketer can score 200 runs with fours and sixes only?

• 1]

13

• 2]

19

• 3]

16

• 4]

17

##### Solution
6
Discuss

In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?

• 1]

1/10

• 2]

2/5

• 3]

2/7

• 4]

5/7

##### Solution
7
Discuss

Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?

• 1]

1/2

• 2]

3/4

• 3]

3/8

• 4]

5/16

##### Solution
8
Discuss

In a simultaneous throw of two dice, what is the probability of getting a total of 7?

• 1]

1/6

• 2]

1/4

• 3]

2/3

• 4]

3/4

##### Solution
9
Discuss

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is not a face card (Jack, Queen and King only)?

• 1]

5/13

• 2]

10/13

• 3]

1/13

• 4]

1/26

##### Solution
10
Discuss

What is the probability of getting at least one six in a single throw of three unbiased dice?s

• 1]

91/216

• 2]

1/216

• 3]

200/216

• 4]

17/216

# Quiz