CSS - PMS - CCE - PCS - Mathematics
Percentage
After decreasing an original value by 27%, it becomes 2737.5. Find the original value.
A. 3,750
B. 4,000
C. 2737.5
D. 3,500
Correct Answer: A
Final value = 73% of original.
Original = 2737.5 × 100 ÷ 73
= 3,750
Answer = 3,750
CSS - PMS - CCE - PCS - Mathematics
Percentage
After decreasing an original value by 22%, it becomes 2,730. Find the original value.
A. 3,750
B. 3,250
C. 3,500
D. 2,730
Correct Answer: C
Final value = 78% of original.
Original = 2,730 × 100 ÷ 78
= 3,500
Answer = 3,500
CSS - PMS - CCE - PCS - Mathematics
Percentage
After increasing an original value by 17%, it becomes 3802.5. Find the original value.
A. 3802.5
B. 3,500
C. 3,000
D. 3,250
Correct Answer: D
Final value = 117% of original.
Original = 3802.5 × 100 ÷ 117
= 3,250
Answer = 3,250
CSS - PMS - CCE - PCS - Mathematics
Percentage
After increasing an original value by 12%, it becomes 3,360. Find the original value.
A. 3,250
B. 2,750
C. 3,360
D. 3,000
Correct Answer: D
Final value = 112% of original.
Original = 3,360 × 100 ÷ 112
= 3,000
Answer = 3,000
CSS - PMS - CCE - PCS - Mathematics
Percentage
A quantity of 2,700 decreases by 22%. What is its new value?
A. 2,106
B. 2,700
C. 2,206
D. 594
Correct Answer: A
Decrease = (22 ÷ 100) × 2,700 = 594
New value = 2,700 − 594
= 2,106
Answer = 2,106
CSS - PMS - CCE - PCS - Mathematics
Percentage
A quantity of 2,500 increases by 18%. What is its new value?
A. 450
B. 2,950
C. 2,500
D. 3,050
Correct Answer: B
Increase = (18 ÷ 100) × 2,500 = 450
New value = 2,500 + 450
= 2,950
Answer = 2,950
CSS - PMS - CCE - PCS - Mathematics
Percentage
A quantity of 2,300 decreases by 14%. What is its new value?
A. 2,078
B. 322
C. 1,978
D. 2,300
Correct Answer: C
Decrease = (14 ÷ 100) × 2,300 = 322
New value = 2,300 − 322
= 1,978
Answer = 1,978
CSS - PMS - CCE - PCS - Mathematics
Percentage
A quantity of 2,100 increases by 10%. What is its new value?
A. 2,100
B. 2,310
C. 210
D. 2,410
Correct Answer: B
Increase = (10 ÷ 100) × 2,100 = 210
New value = 2,100 + 210
= 2,310
Answer = 2,310
CSS - PMS - CCE - PCS - Mathematics
Percentage
A value falls from 1,700 to 1,326. What is the percentage decrease?
A. 22%
B. 28.21%
C. 17%
D. 27%
Correct Answer: A
Decrease = 1,700 − 1,326 = 374
Percentage decrease = (Decrease ÷ Original) × 100
= (374 ÷ 1,700) × 100
= 22%
Answer = 22%
CSS - PMS - CCE - PCS - Mathematics
Percentage
A value rises from 1,600 to 1,872. What is the percentage increase?
A. 14.53%
B. 17%
C. 22%
D. 12%
Correct Answer: B
Increase = 1,872 − 1,600 = 272
Percentage increase = (Increase ÷ Original) × 100
= (272 ÷ 1,600) × 100
= 17%
Answer = 17%
CSS - PMS - CCE - PCS - Mathematics
Percentage
A value falls from 1,500 to 1,320. What is the percentage decrease?
A. 13.64%
B. 17%
C. 12%
D. 7%
Correct Answer: C
Decrease = 1,500 − 1,320 = 180
Percentage decrease = (Decrease ÷ Original) × 100
= (180 ÷ 1,500) × 100
= 12%
Answer = 12%
CSS - PMS - CCE - PCS - Mathematics
Percentage
A value rises from 1,400 to 1,498. What is the percentage increase?
A. 7%
B. 12%
C. 2%
D. 6.54%
Correct Answer: A
Increase = 1,498 − 1,400 = 98
Percentage increase = (Increase ÷ Original) × 100
= (98 ÷ 1,400) × 100
= 7%
Answer = 7%
CSS - PMS - CCE - PCS - Mathematics
Percentage
If A : B = 3 : 8, A is what percent of B?
A. 72.73%
B. 37.5%
C. 266.67%
D. 27.27%
Correct Answer: B
A as a percentage of B = (A ÷ B) × 100
= (3 ÷ 8) × 100
= 37.5%
Answer = 37.5%
CSS - PMS - CCE - PCS - Mathematics
Percentage
If A : B = 2 : 5, A is what percent of B?
A. 250%
B. 40%
C. 28.57%
D. 71.43%
Correct Answer: B
A as a percentage of B = (A ÷ B) × 100
= (2 ÷ 5) × 100
= 40%
Answer = 40%
CSS - PMS - CCE - PCS - Mathematics
Percentage
If A : B = 9 : 10, A is what percent of B?
A. 111.11%
B. 47.37%
C. 52.63%
D. 90%
Correct Answer: D
A as a percentage of B = (A ÷ B) × 100
= (9 ÷ 10) × 100
= 90%
Answer = 90%
CSS - PMS - CCE - PCS - Mathematics
Percentage
If A : B = 7 : 8, A is what percent of B?
A. 46.67%
B. 114.29%
C. 87.5%
D. 53.33%
Correct Answer: C
A as a percentage of B = (A ÷ B) × 100
= (7 ÷ 8) × 100
= 87.5%
Answer = 87.5%
CSS - PMS - CCE - PCS - Mathematics
Percentage
Express 30% as a fraction in simplest form.
A. 3/10
B. 30/100
C. 10/3
D. 3/11
Correct Answer: A
30% = 30/100
HCF(30, 100) = 10
After simplification = 3/10
Answer = 3/10
CSS - PMS - CCE - PCS - Mathematics
Percentage
Express 28% as a fraction in simplest form.
A. 7/26
B. 7/25
C. 25/7
D. 28/100
Correct Answer: B
28% = 28/100
HCF(28, 100) = 4
After simplification = 7/25
Answer = 7/25
CSS - PMS - CCE - PCS - Mathematics
Percentage
Express 25% as a fraction in simplest form.
A. 1/5
B. 25/100
C. 4/1
D. 1/4
Correct Answer: D
25% = 25/100
HCF(25, 100) = 25
After simplification = 1/4
Answer = 1/4
CSS - PMS - CCE - PCS - Mathematics
Percentage
Express 24% as a fraction in simplest form.
A. 6/26
B. 6/25
C. 24/100
D. 25/6
Correct Answer: B
24% = 24/100
HCF(24, 100) = 4
After simplification = 6/25
Answer = 6/25