Elective Mathematics

Question 1

1How many ways can 3 people be chosen from 7?

Easy

A. 35 B. 210 C. 21 D. 7

Question 2

2How many arrangements of the letters of the word BOOK are there?

Easy

A. 12 B. 24 C. 4 D. 6

Question 3

3How many 4-digit even numbers can be formed from 1, 2, 3, 4, 5 without repetition?

Hard

A. 120 B. 60 C. 48 D. 24

Question 4

4Evaluate ⁶P₂.

Easy

A. 15 B. 30 C. 12 D. 36

Question 5

5Evaluate ⁵P₂.

Easy

A. 25 B. 20 C. 10 D. 60

Question 6

6Two fair coins are tossed. What is the probability of at least one head?

Easy

A. 1 B. 1/4 C. 1/2 D. 3/4

Question 7

7How many ways can a team of 5 be chosen from 6 boys and 4 girls if it must include exactly 2 girls?

Hard

A. 252 B. 60 C. 120 D. 210

Question 8

8How many ways can the letters of the word GHANA be arranged?

Easy

A. 120 B. 20 C. 24 D. 60

Question 9

9Evaluate ⁸C₃.

Easy

A. 56 B. 28 C. 336 D. 24

Question 10

10How many ways can 6 people be seated around a round table?

Hard

A. 120 B. 60 C. 720 D. 36