Quiz Discussion

The number of triangles that can be formed by choosing the vertices from a set of 12 points, seven of which lie on the same straight line, is

Course Name: Quantitative Aptitude

  • 1]

    185

  • 2]

    175

  • 3]

    115

  • 4]

    105

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

Ten participants are participating in a competition. In how many ways can the first three prizes be won?

  • 1]

    920

  • 2]

    680

  • 3]

    720

  • 4]

    820

Solution
3
Discuss

One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is not a face card (Jack, Queen and King only)?

  • 1]

    5/13

  • 2]

    10/13

  • 3]

    1/13

  • 4]

    1/26

Solution
4
Discuss

A, B, C, and D are four points, any three of which are non-collinear. Then, the number of ways to construct three lines each joining a pair of points so that the lines do not form a triangle is

  • 1]

    7

  • 2]

    8

  • 3]

    9

  • 4]

    24

Solution
5
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
6
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
7
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

8
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
9
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
10
Discuss

Find the number of ways in which mixed double tennis game can be arranged amongst 9 married couples if no husband and wife play in the same game

  • 1]

    1515

  • 2]

    1500

  • 3]

    1512

  • 4]

    1550

Solution
# Quiz