CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 28 fixed plus Rs. 14 per unit. The bill is Rs. 210. How many units were used?
A. 13
B. 15
C. 12
D. 14
Correct Answer: A
28+14x=210; solving gives x=13.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 26 fixed plus Rs. 13 per unit. The bill is Rs. 182. How many units were used?
A. 14
B. 11
C. 12
D. 13
Correct Answer: C
26+13x=182; solving gives x=12.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 24 fixed plus Rs. 12 per unit. The bill is Rs. 156. How many units were used?
A. 13
B. 10
C. 12
D. 11
Correct Answer: D
24+12x=156; solving gives x=11.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 22 fixed plus Rs. 11 per unit. The bill is Rs. 132. How many units were used?
A. 9
B. 12
C. 11
D. 10
Correct Answer: D
22+11x=132; solving gives x=10.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 20 fixed plus Rs. 10 per unit. The bill is Rs. 110. How many units were used?
A. 8
B. 11
C. 10
D. 9
Correct Answer: D
20+10x=110; solving gives x=9.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 18 fixed plus Rs. 9 per unit. The bill is Rs. 90. How many units were used?
A. 7
B. 9
C. 8
D. 10
Correct Answer: C
18+9x=90; solving gives x=8.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 16 fixed plus Rs. 8 per unit. The bill is Rs. 72. How many units were used?
A. 8
B. 7
C. 6
D. 9
Correct Answer: B
16+8x=72; solving gives x=7.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 14 fixed plus Rs. 7 per unit. The bill is Rs. 56. How many units were used?
A. 8
B. 6
C. 7
D. 5
Correct Answer: B
14+7x=56; solving gives x=6.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 12 fixed plus Rs. 6 per unit. The bill is Rs. 42. How many units were used?
A. 6
B. 5
C. 7
D. 4
Correct Answer: B
12+6x=42; solving gives x=5.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A service charges Rs. 10 fixed plus Rs. 5 per unit. The bill is Rs. 30. How many units were used?
A. 3
B. 4
C. 5
D. 6
Correct Answer: B
10+5x=30; solving gives x=4.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −3x + 7 < −23.
A. x > 10
B. x > 9
C. x < 10
D. x > 11
Correct Answer: A
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −2x + 6 > −12.
A. x < 9
B. x < 10
C. x > 9
D. x < 8
Correct Answer: A
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −5x + 5 < −35.
A. x > 7
B. x > 9
C. x < 8
D. x > 8
Correct Answer: D
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −4x + 4 > −24.
A. x < 8
B. x < 6
C. x > 7
D. x < 7
Correct Answer: D
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −3x + 3 < −15.
A. x > 7
B. x < 6
C. x > 6
D. x > 5
Correct Answer: C
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −2x + 7 > −3.
A. x < 4
B. x > 5
C. x < 6
D. x < 5
Correct Answer: D
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −5x + 6 < −14.
A. x < 4
B. x > 3
C. x > 5
D. x > 4
Correct Answer: D
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −4x + 5 > −7.
A. x < 3
B. x < 2
C. x < 4
D. x > 3
Correct Answer: A
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −3x + 4 < −2.
A. x < 2
B. x > 3
C. x > 1
D. x > 2
Correct Answer: D
Dividing by a negative reverses the inequality direction.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Solve: −2x + 3 > 1.
A. x < 0
B. x < 2
C. x > 1
D. x < 1
Correct Answer: D
Dividing by a negative reverses the inequality direction.