# Quiz Discussion

If P(A)=2/5​, P(B)=3/10​ and P(A ∩ B) =51​, then P(A' | B'). P(B' | A') is equal to

Course Name: Quantitative Aptitude

• 1]

5/6

• 2]

5/7

• 3]

25/42

• 4]

1

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

How many natural numbers can be made with digits 0, 7, 8 which are greater than 0 and less than a million?

• 1]

496

• 2]

728

• 3]

486

• 4]

1084

##### Solution
2
Discuss

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

• 1]

10080

• 2]

4989600

• 3]

120960

• 4]

None of these

##### Solution
3
Discuss

Ten participants are participating in a competition. In how many ways can the first three prizes be won?

• 1]

920

• 2]

680

• 3]

720

• 4]

820

##### Solution
4
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
5
Discuss

If a team of 4 persons is to be selected from 8 males and 8 females, then in how many ways can the selections be made to include at least 1 female

• 1]

3500

• 2]

1875

• 3]

1750

• 4]

3000

##### Solution
6
Discuss

From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least three men are in the committee. In how many ways can it be done?

• 1]

624

• 2]

702

• 3]

756

• 4]

812

##### Solution
7
Discuss

12 person are seated at a round table. Number of ways of selecting 2 persons not adjacent to each other is

• 1]

10

• 2]

11

• 3]

54

• 4]

48

##### Solution
8
Discuss

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

• 1]

1/2

• 2]

2/3

• 3]

1/3

• 4]

1

##### Solution
9
Discuss

A, B, C, and D are four points, any three of which are non-collinear. Then, the number of ways to construct three lines each joining a pair of points so that the lines do not form a triangle is

• 1]

7

• 2]

8

• 3]

9

• 4]

24

##### Solution
10
Discuss

There are seven pairs of black shoes and five pairs of white shoes. They are all put into a box and shoes are drawn one at a time. To ensure that at least one pair of black shoes are taken out, what is the number of shoes required to be drawn out?

• 1]

12

• 2]

13

• 3]

17

• 4]

18

# Quiz