Algebra Test 16

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Algebra Test 16

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Question 1/30
1 / -0

Directions For Questions

1/6

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The probability of success of three students X, Y and Z in the one examination are 1/5, 1/4 and 1/3 respectively. Find the probability of success of at least two?

Correct

Wrong

Skipped
A
3/4

Correct

Wrong

Skipped
B
3/5

Correct

Wrong

Skipped
C
1/6

Correct

Wrong

Skipped
D
2/5

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Solutions
1/6
Question 2/30
1 / -0

Directions For Questions

13

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(-3)

Correct

Wrong

Skipped
A
-13

Correct

Wrong

Skipped
B
5

Correct

Wrong

Skipped
C
10

Correct

Wrong

Skipped
D
13

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Solutions
13
Question 3/30
1 / -0

Directions For Questions

(2a - 3)(5a 4)

...view full instructions

10a

Correct

Wrong

Skipped
A
(2a - 4)(5a 3)

Correct

Wrong

Skipped
B
(2a - 6)(5a 2)

Correct

Wrong

Skipped
C
(2a - 3)(5a 4)

Correct

Wrong

Skipped
D
(5a - 3)(2a - 4)

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Solutions
(2a - 3)(5a 4)
Question 4/30
1 / -0

Directions For Questions

2a3b3c

...view full instructions

Divide:10a

Correct

Wrong

Skipped
A
2a3b3c

Correct

Wrong

Skipped
B
2a4b2c

Correct

Wrong

Skipped
C
2a4b2c

Correct

Wrong

Skipped
D
5a5b9c3

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Solutions
2a3b3c
Question 5/30
1 / -0

Directions For Questions

x > 7

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x - 2 >5?

Correct

Wrong

Skipped
A
x > 7

Correct

Wrong

Skipped
B
x < 7

Correct

Wrong

Skipped
C
x > 3

Correct

Wrong

Skipped
D
x < 3

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Solutions
x > 7
Question 6/30
1 / -0

Directions For Questions

27

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If x-1/x =5 then the value of x

Correct

Wrong

Skipped
A
25

Correct

Wrong

Skipped
B
27

Correct

Wrong

Skipped
C
3

Correct

Wrong

Skipped
D
23

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Solutions
27
Question 7/30
1 / -0

Directions For Questions

x=-1 or x=4

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What is the solution for this equation? |2x -3| =5

Correct

Wrong

Skipped
A
x=-1 or x=3

Correct

Wrong

Skipped
B
x=-1 or x=4

Correct

Wrong

Skipped
C
x=-4 or x=4

Correct

Wrong

Skipped
D
x=-4 or x=3

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Solutions
x=-1 or x=4
Question 8/30
1 / -0

Directions For Questions

17,34,51

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The average of seven numbers is 40. The total of four of them is 178. The remaining three numbers are in the ratio of 1 : 2 : 3. These three numbers are ?

Correct

Wrong

Skipped
A
15,30,45

Correct

Wrong

Skipped
B
16,32,48

Correct

Wrong

Skipped
C
17,34,51

Correct

Wrong

Skipped
D
18,36,54

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Solutions
17,34,51
Question 9/30
1 / -0

Directions For Questions

4

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20 = x x 5?

Correct

Wrong

Skipped
A
3

Correct

Wrong

Skipped
B
2

Correct

Wrong

Skipped
C
5

Correct

Wrong

Skipped
D
4

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Solutions
4
Question 10/30
1 / -0

Directions For Questions

5n 10

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The Pentagon building in Washington, D.C., is shaped like a regular pentagon. If the length of one side of the Pentagon is represented by n 2, its perimeter would be represented by?

Correct

Wrong

Skipped
A
n 10

Correct

Wrong

Skipped
B
5n 10

Correct

Wrong

Skipped
C
10n

Correct

Wrong

Skipped
D
5n 2

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Solutions
5n 10
Question 11/30
1 / -0

Directions For Questions

5 to 3

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20 students received On a history test an A and 12 students received a B. receiving an A to students receiving a B which of these is the correct ratio of students ?

Correct

Wrong

Skipped
A
3 to 2

Correct

Wrong

Skipped
B
5 to 3

Correct

Wrong

Skipped
C
3 to 2

Correct

Wrong

Skipped
D
5 to 4

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Solutions
5 to 3
Question 12/30
1 / -0

Directions For Questions

-17

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-3 2(-7)?

Correct

Wrong

Skipped
A
11

Correct

Wrong

Skipped
B
-17

Correct

Wrong

Skipped
C
-11

Correct

Wrong

Skipped
D
7

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Solutions
-17
Question 13/30
1 / -0

Directions For Questions

6x3?13x2?13x 20

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Which polynomial represents (3x2 x?4)(2x?5)?

Correct

Wrong

Skipped
A
6x3?13x2?13x 20

Correct

Wrong

Skipped
B
6x3?13x2?13x?20

Correct

Wrong

Skipped
C
6x3 13x2 3x 20

Correct

Wrong

Skipped
D
6x3 13x2 3x?20

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Solutions
6x3?13x2?13x 20
Question 14/30
1 / -0

Directions For Questions

17/4

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When 5=2/3 (2x-1),the value of x is ?

Correct

Wrong

Skipped
A
7/2

Correct

Wrong

Skipped
B
-1

Correct

Wrong

Skipped
C
17/4

Correct

Wrong

Skipped
D
4

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Solutions
17/4
Question 15/30
1 / -0

Directions For Questions

4a2 - 9b2

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Multiply: (2a 3b)(2a - 3b)?

Correct

Wrong

Skipped
A
4a2 - 9b2

Correct

Wrong

Skipped
B
4a2 9b2

Correct

Wrong

Skipped
C
4a2 - 12ab - 9b2

Correct

Wrong

Skipped
D
4a

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Solutions
4a2 - 9b2
Question 16/30
1 / -0

Directions For Questions

8, -8

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Solve for x: x

Correct

Wrong

Skipped
A
8, -8

Correct

Wrong

Skipped
B
9,-9

Correct

Wrong

Skipped
C
8

Correct

Wrong

Skipped
D
-8

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Solutions
8, -8
Question 17/30
1 / -0

Directions For Questions

16 years

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A mother is three times the age of her daughter. Four years back, the daughter was one fourth the age of her father. If the father is four years older than the mother, what is the age of the daughter?

Correct

Wrong

Skipped
A
16 years

Correct

Wrong

Skipped
B
14 years

Correct

Wrong

Skipped
C
15 years

Correct

Wrong

Skipped
D
12 years

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Solutions
16 years
Question 18/30
1 / -0

Directions For Questions

12

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2[ 13 - ( 1 6)] =?

Correct

Wrong

Skipped
A
21

Correct

Wrong

Skipped
B
20

Correct

Wrong

Skipped
C
2

Correct

Wrong

Skipped
D
12

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Solutions
12
Question 19/30
1 / -0

Directions For Questions

50

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x 45 = 95?

Correct

Wrong

Skipped
A
50

Correct

Wrong

Skipped
B
45

Correct

Wrong

Skipped
C
40

Correct

Wrong

Skipped
D
55

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Solutions
50
Question 20/30
1 / -0

Directions For Questions

x-3

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Which is a factor of x2-11x 24?

Correct

Wrong

Skipped
A
x 4

Correct

Wrong

Skipped
B
x 3

Correct

Wrong

Skipped
C
x-3

Correct

Wrong

Skipped
D
x-4

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Solutions
x-3
Question 21/30
1 / -0

Directions For Questions

x > -1

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3 - x < 4 ?

Correct

Wrong

Skipped
A
x < -1

Correct

Wrong

Skipped
B
x >1

Correct

Wrong

Skipped
C
x < 1

Correct

Wrong

Skipped
D
x > -1

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Solutions
x > -1
Question 22/30
1 / -0

Directions For Questions

4

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If 3b/10-2b/15=2/3, then the value of b is ?

Correct

Wrong

Skipped
A
4

Correct

Wrong

Skipped
B
-2

Correct

Wrong

Skipped
C
3

Correct

Wrong

Skipped
D
0

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Solutions
4
Question 23/30
1 / -0

Directions For Questions

3

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The position vectors of two points A and B are i j - k and 2i - j k respectively. Then |AB| = .?

Correct

Wrong

Skipped
A
4

Correct

Wrong

Skipped
B
3

Correct

Wrong

Skipped
C
5

Correct

Wrong

Skipped
D
2

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Solutions
3
Question 24/30
1 / -0

Directions For Questions

54

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100 - 10(2 3) 4 =?

Correct

Wrong

Skipped
A
51

Correct

Wrong

Skipped
B
50

Correct

Wrong

Skipped
C
65

Correct

Wrong

Skipped
D
54

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Solutions
54
Question 25/30
1 / -0

Directions For Questions

(3t 2)2

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Which of the following shows 9t

Correct

Wrong

Skipped
A
(3t 4)(3t 1)

Correct

Wrong

Skipped
B
9t2 12t 4

Correct

Wrong

Skipped
C
(3t 2)2

Correct

Wrong

Skipped
D
(9t 4)(t 1)

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Solutions
(3t 2)2
Question 26/30
1 / -0

Directions For Questions

36

...view full instructions

13 23 33 =?

Correct

Wrong

Skipped
A
30

Correct

Wrong

Skipped
B
33

Correct

Wrong

Skipped
C
34

Correct

Wrong

Skipped
D
36

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Solutions
36
Question 27/30
1 / -0

Directions For Questions

8x2 - 10xy 3y2

...view full instructions

Multiply: (2x - y)(4x - 3y)?

Correct

Wrong

Skipped
A
8x2 - 10xy - 3y2

Correct

Wrong

Skipped
B
8x2 10xy - 3y2

Correct

Wrong

Skipped
C
8x2 - 10xy 3y2

Correct

Wrong

Skipped
D
6x2 - 10xy 3y2

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Solutions
8x2 - 10xy 3y2
Question 28/30
1 / -0

Directions For Questions

13

...view full instructions

(-20-6)/6 ?

Correct

Wrong

Skipped
A
-7

Correct

Wrong

Skipped
B
-13

Correct

Wrong

Skipped
C
7

Correct

Wrong

Skipped
D
13

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Solutions
13
Question 29/30
1 / -0

Directions For Questions

-2

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For the equation x - 4y = 10, find the value of y if x = 2.?

Correct

Wrong

Skipped
A
3

Correct

Wrong

Skipped
B
0

Correct

Wrong

Skipped
C
2

Correct

Wrong

Skipped
D
-2

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Solutions
-2
Question 30/30
1 / -0

Directions For Questions

21

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18 is 3 less than a number. What is the number?

Correct

Wrong

Skipped
A
-15

Correct

Wrong

Skipped
B
15

Correct

Wrong

Skipped
C
21

Correct

Wrong

Skipped
D
6

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Solutions
21

Question 1/30

3/4

3/5

1/6

2/5

Question 2/30

-13

5

10

13

Question 3/30

(2a - 4)(5a 3)

(2a - 6)(5a 2)

(2a - 3)(5a 4)

(5a - 3)(2a - 4)

Question 4/30

2a3b3c

2a4b2c

2a4b2c

5a5b9c3

Question 5/30

x > 7

x < 7

x > 3

x < 3

Question 6/30

25

27

3

23

Question 7/30

x=-1 or x=3

x=-1 or x=4

x=-4 or x=4

x=-4 or x=3

Question 8/30

15,30,45

16,32,48

17,34,51

18,36,54

Question 9/30

3

2

5

4

Question 10/30

n 10

5n 10

10n

5n 2

Question 11/30

3 to 2

5 to 3

3 to 2

5 to 4

Question 12/30

11

-17

-11

7

Question 13/30

6x3?13x2?13x 20

6x3?13x2?13x?20

6x3 13x2 3x 20

6x3 13x2 3x?20

Question 14/30

7/2

-1

17/4

4

Question 15/30

4a2 - 9b2

4a2 9b2

4a2 - 12ab - 9b2

4a

Question 16/30

8, -8

9,-9

8

-8