# Quiz Discussion

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

Course Name: Quantitative Aptitude

• 1]

55566

• 2]

66660

• 3]

56456

• 4]

84738

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?

• 1]

159

• 2]

194

• 3]

205

• 4]

209

##### Solution
2
Discuss

A biased coin in tossed thrice. What is the probability that heads turns out at least twice considering that the probability of a head is 60%?

• 1]

0.648

• 2]

0.234

• 3]

0.348

• 4]

.839

##### Solution
3
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
4
Discuss

Find the probability that a leap year selected at random will contain 53 Sundays

• 1]

2/7

• 2]

3/7

• 3]

2/3

• 4]

5/6

##### Solution
5
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
6
Discuss

How many 5 digit even numbers with distinct digits can be formed using the digits 1, 2, 5, 5, 4?

• 1]

16

• 2]

24

• 3]

36

• 4]

48

##### Solution
7
Discuss

A person tosses an unbiased coin. When head turns up, he gets Rs.8 and tail turns up he loses Rs.4. If 3 coins are tossed, what is probability that he gets a profit of Rs.12?

• 1]

3/8

• 2]

5/8

• 3]

3/4

• 4]

1/8

##### Solution

Person will get profit of Rs 12 only when there is 2H (Head) and 1T (Tail)

H + H + T = 12

8 + 8 + (-4) = 12

Total outcome of 2 head and 1 tail = 23 = 8

i.e (T, H, TH, HT, HH, HHT, HTH, THH)

Total event with 2H and 1 T is 3

therfore probability = 3/8

8
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
9
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
10
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

# Quiz