Quiz Discussion

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%?

Course Name: Quantitative Aptitude

  • 1]

    0.648

  • 2]

    0.234

  • 3]

    0.348

  • 4]

    .839

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

Four letters are selected from the word “CAPAME” and are rearranged to form four letter words. How many words can be formed?

  • 1]

    120

  • 2]

    90

  • 3]

    180

  • 4]

    192

Solution
3
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
4
Discuss

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?

  • 1]

    5%

  • 2]

    15%

  • 3]

    35%

  • 4]

    45%

Solution
5
Discuss

In how many ways a committee, consisting of 5 men and 6 women can be formed from 8 men and 10 women?

  • 1]

    266

  • 2]

    5040

  • 3]

    11760

  • 4]

    86400

Solution
6
Discuss

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

  • 1]

    1740

  • 2]

    1230

  • 3]

    1296

  • 4]

    204

Solution
7
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
8
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
9
Discuss

How many integers between 1000 and 10000 have no digits other than 4, 5, or 6?

  • 1]

    91

  • 2]

    71

  • 3]

    51

  • 4]

    81

Solution
10
Discuss

A committee of 8 members is to be selected from a group of 12 male and 10 female members. In how many ways the committee is selected such that at most two and at least one male member are there in the committee?

  • 1]

    13540

  • 2]

    14200

  • 3]

    15300

  • 4]

    16400

Solution
# Quiz