# Quiz Discussion

How many rectangles can be formed out of a chess board ?

Course Name: Quantitative Aptitude

• 1]

1740

• 2]

1230

• 3]

1296

• 4]

204

##### Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

It is required to seat 5 boys and 4 girls in a row so that the girls occupy the even places. How many such arrangements are possible?

• 1]

2880

• 2]

2148

• 3]

3280

• 4]

3680

##### Solution
3
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
4
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

5
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
6
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
7
Discuss

The number of circles that can be drawn out of 10 points of which 7 are collinear is

• 1]

130

• 2]

85

• 3]

45

• 4]

72

##### Solution
8
Discuss

In how many ways can 10 people line up at a ticket window of a railway station?

• 1]

36,28,800

• 2]

34,82,800

• 3]

33,44,800

• 4]

33,28,800

##### Solution
9
Discuss

A, B, C, D and E sit on five chairs all of which are facing north. C will sit only on the leftmost chair and B will not sit anywhere to the left of A. In how many ways they can be seated?

• 1]

10

• 2]

18

• 3]

36

• 4]

12

##### Solution
10
Discuss

How many 3-digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9, which are divisible by 5 and none of the digits is repeated

• 1]

5

• 2]

10

• 3]

15

• 4]

20

# Quiz