Quiz Discussion

From among the 36 students in a class, one leader and one class representative are to be appointed. In how many ways can this be done?

Course Name: Quantitative Aptitude

  • 1]

    1360

  • 2]

    1060

  • 3]

    1160

  • 4]

    1260

Solution
No Solution Present Yet

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# Quiz
1
Discuss

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

  • 1]

    1740

  • 2]

    1230

  • 3]

    1296

  • 4]

    204

Solution
2
Discuss

How many numbers can be formed from 1, 2, 3, 4, 5 (without repetition), when the digit at the unit’s place must be greater than that in the ten’s place?

  • 1]

    60

  • 2]

    54

  • 3]

    51 / 3

  • 4]

    2 x 4!

Solution
3
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
4
Discuss

How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?

  • 1]

    40

  • 2]

    400

  • 3]

    5040

  • 4]

    2520

Solution
5
Discuss

A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?

  • 1]

    32

  • 2]

    48

  • 3]

    64

  • 4]

    96

Solution
6
Discuss

If P(A)=2/5​, P(B)=3/10​ and P(A ∩ B) =51​, then P(A' | B'). P(B' | A') is equal to

  • 1]

    5/6

  • 2]

    5/7

  • 3]

    25/42

  • 4]

    1

Solution
7
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
8
Discuss

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

  • 1]

    42

  • 2]

    294

  • 3]

    315

  • 4]

    258

Solution
9
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
10
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
# Quiz