Explore topic-wise MCQs in Discrete Mathematics.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.

1.

From 1, 2, 3, …, 320 one number is selected at random. Find the probability that it is either a multiple of 7 or a multiple of 3.

A. 72%
B. 42.5%
C. 12.8%
D. 63.8%
Answer» C. 12.8%
2.

An integer from 300 through 780, inclusive is to be chosen at random. Find the probability that the number is chosen will have 1 as at least one digit.

A. \(\frac{171}{900}\)
B. \(\frac{43}{860}\)
C. \(\frac{231}{546}\)
D. \(\frac{31}{701}\)
Answer» B. \(\frac{43}{860}\)
3.

A card is drawn randomly from a standard deck of cards. Determine the probability that the card drawn is a queen or a heart.

A. \(\frac{1}{4}\)
B. \(\frac{13}{56}\)
C. \(\frac{4}{13}\)
D. \(\frac{5}{52}\)
Answer» D. \(\frac{5}{52}\)
4.

There are 9 letters having different colors (red, orange, yellow, green, blue, indigo, violet) and 4 boxes each of different shapes (tetrahedron, cube, polyhedron, dodecahedron). How many ways are there to place these 9 letters into the 4 boxes such that each box contains at least 1 letter?

A. 260100
B. 878760
C. 437102
D. 256850
Answer» B. 878760
5.

The sum of all integers from 1 to 520 that are multiples of 4 or 5?

A. 187
B. 208
C. 421
D. 52
Answer» C. 421
6.

The numbers between 1 and 520, including both, are divisible by 2 or 6 is _______

A. 349
B. 54
C. 213
D. 303
Answer» E.