MTH100 Quiz 3 Set 3

Q1. If the slopes of two lines are 2 and -1/2, the lines are:

1. intersecting but not perpendicular
2. perpendicular
3. overlapping
4. parallel

Correct answer: perpendicular

Q2. The conjugate of a complex number Z = x + iy is _______________

1. Z = - x + iy
2. Z = x - iy
3. Z = x + iy
4. Z = x - y

Correct answer: Z = x - iy

Q3. How many distinct permutations are possible with the letters in “LEVEL”?

1. 60
2. 30
3. 15
4. 45

Correct answer: 30

Q4. {}^6{C_2}\,\,is\,\,equal\,\,to\,

1. 17
2. 14
3. 16
4. 15

Correct answer: 15

Q5. Which type of sequence multiplies by a constant to get the next term?

1. Fibonacci
2. Arithmetic
3. Harmonic
4. Geometric

Correct answer: Geometric

Q6. What is the slope of the line that passes through (8, 4) and (6, 7)?

1. -2/3
2. 2/3
3. 3/2
4. -3/2

Correct answer: -3/2

Q7. In how many ways can 3 objects be arranged?

1. 3
2. 6
3. 9
4. 12

Correct answer: 6

Q8. How many Permutations of the letters of the word BOOK are there?

1. 12
2. 11
3. 14
4. 13

Correct answer: 12

Q9. All letters in a word LOVE taken all at a time can be arranged in

1. 24 ways
2. 8 ways
3. 12 ways
4. 4 ways

Correct answer: 24 ways

Q10. How many ways can 3 books be selected from a shelf of 10 different books?

1. 90
2. 720
3. 100
4. 120

Correct answer: 120