CSS - PMS - CCE - PCS - Mathematics
Algebra
A father is 24 years older than his son. In 12 years, the father will be twice the son’s age. What is the son’s current age?
A. 14
B. 13
C. 12
D. 11
Correct Answer: C
x+24+12=2(x+12); x=12.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A father is 24 years older than his son. In 13 years, the father will be twice the son’s age. What is the son’s current age?
A. 13
B. 11
C. 12
D. 10
Correct Answer: B
x+24+13=2(x+13); x=11.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A father is 24 years older than his son. In 14 years, the father will be twice the son’s age. What is the son’s current age?
A. 11
B. 12
C. 10
D. 9
Correct Answer: C
x+24+14=2(x+14); x=10.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A father is 24 years older than his son. In 15 years, the father will be twice the son’s age. What is the son’s current age?
A. 8
B. 10
C. 11
D. 9
Correct Answer: D
x+24+15=2(x+15); x=9.
CSS - PMS - CCE - PCS - Mathematics
Algebra
A father is 24 years older than his son. In 16 years, the father will be twice the son’s age. What is the son’s current age?
A. 8
B. 10
C. 7
D. 9
Correct Answer: A
x+24+16=2(x+16); x=8.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 35. What is the smaller number?
A. 13
B. 15
C. 14
D. 16
Correct Answer: C
x+(x+7)=35; x=14.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 33. What is the smaller number?
A. 15
B. 12
C. 14
D. 13
Correct Answer: D
x+(x+7)=33; x=13.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 31. What is the smaller number?
A. 14
B. 13
C. 12
D. 11
Correct Answer: C
x+(x+7)=31; x=12.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 29. What is the smaller number?
A. 11
B. 13
C. 12
D. 10
Correct Answer: A
x+(x+7)=29; x=11.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 27. What is the smaller number?
A. 11
B. 10
C. 9
D. 12
Correct Answer: B
x+(x+7)=27; x=10.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 25. What is the smaller number?
A. 11
B. 8
C. 10
D. 9
Correct Answer: D
x+(x+7)=25; x=9.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 23. What is the smaller number?
A. 9
B. 10
C. 8
D. 7
Correct Answer: C
x+(x+7)=23; x=8.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 21. What is the smaller number?
A. 6
B. 8
C. 9
D. 7
Correct Answer: D
x+(x+7)=21; x=7.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 19. What is the smaller number?
A. 8
B. 6
C. 7
D. 5
Correct Answer: B
x+(x+7)=19; x=6.
CSS - PMS - CCE - PCS - Mathematics
Algebra
Two numbers differ by 7 and their sum is 17. What is the smaller number?
A. 4
B. 7
C. 6
D. 5
Correct Answer: D
x+(x+7)=17; x=5.
CSS - PMS - CCE - PCS - Mathematics
Algebra
y varies inversely as x. If y=25 when x=6, what is y when x=7?
A. 25
B. 157/7
C. 150/7
D. 75/4
Correct Answer: C
xy=150; y=150/7=150/7.
CSS - PMS - CCE - PCS - Mathematics
Algebra
y varies inversely as x. If y=28 when x=5, what is y when x=6?
A. 20
B. 73/3
C. 70/3
D. 28
Correct Answer: C
xy=140; y=140/6=70/3.
CSS - PMS - CCE - PCS - Mathematics
Algebra
y varies inversely as x. If y=65/2 when x=4, what is y when x=5?
A. 27
B. 65/3
C. 26
D. 65/2
Correct Answer: C
xy=130; y=130/5=26.
CSS - PMS - CCE - PCS - Mathematics
Algebra
y varies inversely as x. If y=40 when x=3, what is y when x=4?
A. 24
B. 40
C. 30
D. 31
Correct Answer: C
xy=120; y=120/4=30.
CSS - PMS - CCE - PCS - Mathematics
Algebra
y varies inversely as x. If y=55 when x=2, what is y when x=3?
A. 110/3
B. 113/3
C. 55
D. 55/2
Correct Answer: A
xy=110; y=110/3=110/3.