CSS - PMS - CCE - PCS - Mathematics
Percentage
After decreasing an original value by 26%, it becomes 2,405. Find the original value.
A. 3,000
B. 3,500
C. 2,405
D. 3,250
Correct Answer: D
Final value = 74% of original.
Original = 2,405 × 100 ÷ 74
= 3,250
Answer = 3,250
CSS - PMS - CCE - PCS - Mathematics
Percentage
After decreasing an original value by 21%, it becomes 2,370. Find the original value.
A. 2,370
B. 3,000
C. 3,250
D. 2,750
Correct Answer: B
Final value = 79% of original.
Original = 2,370 × 100 ÷ 79
= 3,000
Answer = 3,000
CSS - PMS - CCE - PCS - Mathematics
Percentage
After increasing an original value by 16%, it becomes 3,190. Find the original value.
A. 2,750
B. 2,500
C. 3,000
D. 3,190
Correct Answer: A
Final value = 116% of original.
Original = 3,190 × 100 ÷ 116
= 2,750
Answer = 2,750
CSS - PMS - CCE - PCS - Mathematics
Percentage
After increasing an original value by 11%, it becomes 2,775. Find the original value.
A. 2,250
B. 2,750
C. 2,500
D. 2,775
Correct Answer: C
Final value = 111% of original.
Original = 2,775 × 100 ÷ 111
= 2,500
Answer = 2,500
CSS - PMS - CCE - PCS - Mathematics
Percentage
A quantity of 2,400 decreases by 21%. What is its new value?
A. 2,400
B. 1,996
C. 1,896
D. 504
Correct Answer: C
Decrease = (21 ÷ 100) × 2,400 = 504
New value = 2,400 − 504
= 1,896
Answer = 1,896
CSS - PMS - CCE - PCS - Mathematics
Percentage
A quantity of 2,200 increases by 17%. What is its new value?
A. 2,674
B. 2,200
C. 374
D. 2,574
Correct Answer: D
Increase = (17 ÷ 100) × 2,200 = 374
New value = 2,200 + 374
= 2,574
Answer = 2,574
CSS - PMS - CCE - PCS - Mathematics
Percentage
A quantity of 2,000 decreases by 13%. What is its new value?
A. 260
B. 1,740
C. 1,840
D. 2,000
Correct Answer: B
Decrease = (13 ÷ 100) × 2,000 = 260
New value = 2,000 − 260
= 1,740
Answer = 1,740
CSS - PMS - CCE - PCS - Mathematics
Percentage
A quantity of 1,800 increases by 9%. What is its new value?
A. 1,800
B. 1,962
C. 162
D. 2,062
Correct Answer: B
Increase = (9 ÷ 100) × 1,800 = 162
New value = 1,800 + 162
= 1,962
Answer = 1,962
CSS - PMS - CCE - PCS - Mathematics
Percentage
A value falls from 1,500 to 1,185. What is the percentage decrease?
A. 16%
B. 21%
C. 26.58%
D. 26%
Correct Answer: B
Decrease = 1,500 − 1,185 = 315
Percentage decrease = (Decrease ÷ Original) × 100
= (315 ÷ 1,500) × 100
= 21%
Answer = 21%
CSS - PMS - CCE - PCS - Mathematics
Percentage
A value rises from 1,400 to 1,624. What is the percentage increase?
A. 11%
B. 21%
C. 13.79%
D. 16%
Correct Answer: D
Increase = 1,624 − 1,400 = 224
Percentage increase = (Increase ÷ Original) × 100
= (224 ÷ 1,400) × 100
= 16%
Answer = 16%
CSS - PMS - CCE - PCS - Mathematics
Percentage
A value falls from 1,300 to 1,157. What is the percentage decrease?
A. 6%
B. 12.36%
C. 11%
D. 16%
Correct Answer: C
Decrease = 1,300 − 1,157 = 143
Percentage decrease = (Decrease ÷ Original) × 100
= (143 ÷ 1,300) × 100
= 11%
Answer = 11%
CSS - PMS - CCE - PCS - Mathematics
Percentage
A value rises from 1,200 to 1,272. What is the percentage increase?
A. 6%
B. 1%
C. 11%
D. 5.66%
Correct Answer: A
Increase = 1,272 − 1,200 = 72
Percentage increase = (Increase ÷ Original) × 100
= (72 ÷ 1,200) × 100
= 6%
Answer = 6%
CSS - PMS - CCE - PCS - Mathematics
Percentage
If A : B = 7 : 10, A is what percent of B?
A. 142.86%
B. 58.82%
C. 70%
D. 41.18%
Correct Answer: C
A as a percentage of B = (A ÷ B) × 100
= (7 ÷ 10) × 100
= 70%
Answer = 70%
CSS - PMS - CCE - PCS - Mathematics
Percentage
If A : B = 5 : 8, A is what percent of B?
A. 38.46%
B. 160%
C. 62.5%
D. 61.54%
Correct Answer: C
A as a percentage of B = (A ÷ B) × 100
= (5 ÷ 8) × 100
= 62.5%
Answer = 62.5%
CSS - PMS - CCE - PCS - Mathematics
Percentage
If A : B = 3 : 5, A is what percent of B?
A. 166.67%
B. 60%
C. 37.5%
D. 62.5%
Correct Answer: B
A as a percentage of B = (A ÷ B) × 100
= (3 ÷ 5) × 100
= 60%
Answer = 60%
CSS - PMS - CCE - PCS - Mathematics
Percentage
If A : B = 5 : 6, A is what percent of B?
A. 120%
B. 83.33%
C. 45.45%
D. 54.55%
Correct Answer: B
A as a percentage of B = (A ÷ B) × 100
= (5 ÷ 6) × 100
= 83.33%
Answer = 83.33%
CSS - PMS - CCE - PCS - Mathematics
Percentage
Express 22% as a fraction in simplest form.
A. 22/100
B. 11/51
C. 11/50
D. 50/11
Correct Answer: C
22% = 22/100
HCF(22, 100) = 2
After simplification = 11/50
Answer = 11/50
CSS - PMS - CCE - PCS - Mathematics
Percentage
Express 20% as a fraction in simplest form.
A. 20/100
B. 5/1
C. 1/6
D. 1/5
Correct Answer: D
20% = 20/100
HCF(20, 100) = 20
After simplification = 1/5
Answer = 1/5
CSS - PMS - CCE - PCS - Mathematics
Percentage
Express 18% as a fraction in simplest form.
A. 18/100
B. 9/50
C. 50/9
D. 9/51
Correct Answer: B
18% = 18/100
HCF(18, 100) = 2
After simplification = 9/50
Answer = 9/50
CSS - PMS - CCE - PCS - Mathematics
Percentage
Express 15% as a fraction in simplest form.
A. 20/3
B. 3/21
C. 15/100
D. 3/20
Correct Answer: D
15% = 15/100
HCF(15, 100) = 5
After simplification = 3/20
Answer = 3/20