Quiz Discussion

There are 8 orators A, B, C, D, E, F, G, and H. In how many ways can the arrangements be made so that A always comes before B and B always comes before C.

Course Name: Quantitative Aptitude

  • 1]

    8! / 3!

  • 2]

    8! / 6!

  • 3]

    5! x 3!

  • 4]

    8! / (5! x 3!) 

Solution
No Solution Present Yet

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# Quiz
1
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How many four-digit numbers, each divisible by 4 can be formed using the digits 5, 6, 7, 8, 9, repetition of digits being allowed in any number?

  • 1]

    75

  • 2]

    100

  • 3]

    125

  • 4]

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Solution
2
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How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines?

  • 1]

    42

  • 2]

    294

  • 3]

    315

  • 4]

    258

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3
Discuss

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

  • 1]

    120

  • 2]

    720

  • 3]

    4320

  • 4]

    2160

Solution
4
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
5
Discuss

Two variants of the CAT paper are to be given to 12 students. In how many ways can the students be placed in two rows of six each so that there should be no identical variants side by side and that the students sitting one behind the other should have the same variant. Find the number of ways this can be done

  • 1]

    2 x 12C6 x (6!)2

  • 2]

    2 x 6! x 6!

  • 3]

    2 x 12C6 x 6!

  • 4]

    None of these

Solution
6
Discuss

A five-letter word is to be formed from a group of 5 vowels and 4 consonants, using at least one vowel and at least one consonant. In how many ways the word having a greater number of consonants than vowels can be formed?

  • 1]

    40

  • 2]

    42

  • 3]

    45

  • 4]

    52

Solution
7
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
8
Discuss

In how many different ways can the letters of the word 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions?

  • 1]

    32

  • 2]

    48

  • 3]

    36

  • 4]

    60

Solution
9
Discuss

The students in a class are seated, according to their marks in the previous examination. Once, it so happens that four of the students got equal marks and therefore the same rank. To decide their seating arrangement, the teacher wants to write down all possible arrangements one in each of separate bits of paper in order to choose one of these by lots. How many bits of paper are required?

  • 1]

    24

  • 2]

    12

  • 3]

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  • 4]

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Solution
10
Discuss

Three unbiased coins are tossed. What is the probability of getting at most two heads ?

  • 1]

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  • 2]

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  • 3]

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  • 4]

    7/8

Solution
# Quiz