# Quiz Discussion

A coin is tossed 5 times. What is the probability that head appears an odd number of times?

Course Name: Quantitative Aptitude

• 1]

1/2

• 2]

2/3

• 3]

1/3

• 4]

1

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is

• 1]

3/20

• 2]

29/34

• 3]

47/100

• 4]

13/102

##### Solution
2
Discuss

One red flower, three white flowers, and two blue flowers are arranged in a line such that
I. No two adjacent flowers are of the same color.
II. The flowers at the two ends of the line are of different colors.
In how many different ways can the flowers be arranged?

• 1]

2

• 2]

4

• 3]

6

• 4]

10

##### Solution
3
Discuss

If A and B are two independent events with P(A) = 3/5 and P(B) = 4/9 , then P(A' ∩ B' ) equals

• 1]

4/15

• 2]

8/45

• 3]

1/3

• 4]

2/9

##### Solution
4
Discuss

There are 8 orators A, B, C, D, E, F, G, and H. In how many ways can the arrangements be made so that A always comes before B and B always comes before C.

• 1]

8! / 3!

• 2]

8! / 6!

• 3]

5! x 3!

• 4]

8! / (5! x 3!)

##### Solution
5
Discuss

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

• 1]

3/44

• 2]

3/55

• 3]

52/55

• 4]

41/44

##### Solution
6
Discuss

From among the 36 students in a class, one leader and one class representative are to be appointed. In how many ways can this be done?

• 1]

1360

• 2]

1060

• 3]

1160

• 4]

1260

##### Solution
7
Discuss

The value of  75P2

• 1]

5450

• 2]

5555

• 3]

5550

• 4]

5656

##### Solution
8
Discuss

There are three rooms in a motel: one single, one double, and one for four persons. How many ways are there to house seven persons in these rooms?

• 1]

7! / 1! 2! 3!

• 2]

7!

• 3]

7! / 3

• 4]

7! / 3!

##### Solution
9
Discuss

What is the sum of all 4 digit numbers that can be formed by the digits 1, 2, 3, 4 each exactly once

• 1]

55566

• 2]

66660

• 3]

56456

• 4]

84738

##### Solution
10
Discuss

If ,​, are probabilities of three mutually exclusive events, then

• 1]

• 2]

• 3]

• 4]

None Of These