# Quiz Discussion

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?

Course Name: Quantitative Aptitude

• 1]

5%

• 2]

15%

• 3]

35%

• 4]

45%

##### 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

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
3
Discuss

Three chairs are arranged in a row facing three other chairs. 4 boys and 2 girls are to be seated on these chairs such that girls are always facing each other. In how many ways can they be seated?

• 1]

96

• 2]

72

• 3]

144

• 4]

120

##### Solution
4
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

##### Solution
5
Discuss

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

• 1]

• 2]

• 3]

• 4]

None Of These

##### Solution

6
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
7
Discuss

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

• 1]

50400

• 2]

2430

• 3]

6540

• 4]

12800

##### Solution
8
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
9
Discuss

In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

• 1]

63

• 2]

90

• 3]

126

• 4]

45

##### Solution
10
Discuss

If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?

• 1]

0

• 2]

1/2

• 3]

1

• 4]

1/1296

# Quiz