This is aptitude questions and answers section on Percentages with explanation for various interview, competitive examinations and entrance tests. Candidates can check the Percentages Aptitude Quiz with multiple choice questions and answers. The aspirants who have enough knowledge of Percentages MCQ can attempt this Percentages Aptitude Online test. The necessary information about Percentages Aptitude Quiz is also enough to take the Percentages Online test. The Percentages Aptitude Quiz helps the people to know the level of performance of the topic and also helps to improve the performance skills by practicing mock test as much as required.
Hello Aspirants. Welcome to Online Quantitative Aptitude Section Section with explanation in AffairsCloud.com. Here we are creating question samples from Percentage with explanation, which is common for competitive exams. We have included some questions that are repeatedly asked in bank exams !!!
-
If 20/3% of a number is subtracted from itself then result becomes 5670. Find the original number.
(A) 6450 (B) 6460 (C) 6880 (D) 6480
Ans: (D) – 20/3% = 1/15
In above 1 is substract value and 15 is original value.
New value = 15 – 1 = 14 unit
= 5670
1unit = 405
original value = 405 * 16 = 6480
-
If 100/9% of a number is added with itself then result becomes 900 find the original number.
(A) 820 (B) 810 (C) 850 (D) 840
Ans: (B) + 100/9 % = 1/9
where 1 is added value and 9 is original number.
New value = 9 + 1 = 10 unit
= 900
1 unit = 90
original no. = 90 * 9 = 810
-
What is 20% of 50% of 75% of 70?
(A) 5.35 (B) 5.55 (C) 5.25 (D) 5.65A
Ans: . (C) Value = 70 * 1/5 *1/2 * 3/4 = 21/4
= 5.25
- 25% of what number is 36?
(A) 146 (B) 145 (C) 144 (D) 148
Ans: (C) Let the number be X then X *25/100 = 36
X = 36 * 4 = 144
- 125% of x is 100 , then what is the x?
(A) 100 (B) 80 (C) 85 (D) 90
Ans: (B) X * 125/100 = 100
X = 100 * 100 / 125 = 80
-
The tax imposed on an article in increased by 10% and its consumption decreased by 10%. Find the percentage change in revenue from it.
(A)2%(deceased) (B) 1% ( increased) (C) 1% (decreased) (D) 1.5% (increased)
Ans: (C)
+10% = 1/10, 10 11
– 10% = 1/10, 10/100 9/99
in above -1
Required % = 1/100 * 100
= 1% ( decrease )
-
Two numbers are respectively 20% and 50% more than a third. Now what percentage is the first of the second?
(A) 85% (B) 80% (C) 90% (D) 95%
Ans: B
Let the third number be = 100
(a) (b) (c)
120 150 100
then , 120/150 * 100 = 80%
-
A fruit seller had some oranges.He sells 60% orange and still has 280 oranges Oiginally he had.
(A) 700 (B) 800 (C) 750 (D) 850
Ans: (A)
Required oranges
= 280 / (100 – 60 ) * 100
= 280 / 40 * 100 = 700 Oranges
-
A dozen pairs of socks quoted at Rs. 180 are available at discount of 20%. How many price of socks can be bought for Rs. 48?
(A) 3 pairs (B) 4 pairs (C) 2 pairs (D) 5 pairs
Ans: . (B)
Price after discount
= 180 * 180 / 100 = 144
Price of 1 pair of socks
= Rs. 144 / 12 = 12
Required answer = 48 /12 = 4 pairs
- 33% of employees pay tax in the years 2015 . Non tax paying employees are 20100. The total number of employees are.
(A) 30100 (B) 30000 (C) 30200 (D) 30400
Ans: (B)
Total no. of employees
= 20100 / ( 100 – 33 ) * 100
= 20100 / 67 * 100 = 30000
- The sum of two numbers is 520. If the bigger number is decreased by 4% and the smaller number is increased is by 12% then the numbers obtained are equal. Find the numbers.
(A) 289 , 280 (B) 280 , 250 (C) 280 , 240 (D) 240 ,250
Ans: (C)
Let the bigger no. = X
smaller no. = Y
according to question ,
X * 96 / 100 = Y * 112 /100
6X = 7Y
X : Y
7 : 6
13 units = 520
1 unit = 40
Bigger no. = (X) = 7 units
= 7 * 40 = 280
Smaller no. = (Y) = 6 units
= 6 * 40 = 240
- If Ram’s salary is 30% less than that of shyam then how much percent is shyam’s salary more than that of Ram.
(A) 300/7% (B) 350/7% (C) 320/7% (D) 360/7%
Ans: (A)
Shyam =100 unit
100 unit – 30 unit = 70 unit
Ram = 70 unit
then
shyam = Ram ( 70 unit ) + 30 unit
= 100 unit
30 / 70 = 3 / 7
300 / 7 %
- A number is increased by R% . To get back to the original number, It is to be reduced to initial value by what %?
(A) 110R/100+R% (B) 100/100+R%
(C) 100/110+R% (D) 110/110+R%
Ans: . (B)
P * R / 100 -> increased value
-> P + PR / 100 = P (100 + R / 100 )
Required answer
= ( R / 100 + R ) % = ( 100 R / 100 + R )%
- If Sohan’s salary is 25% more than that of mohan , then how much percent is mohan’s salary less than of sohan ?
(A) 20% (B) 25% (C) 22% (D) 30%
Ans: (A) Mohan 100
| +25
125
Sohan 125
| -25
Mohan 100
25 / 125 = 1 / 5 = 20%
- A number is increased by 20% and then it is decreased by 20%.Find the net increase or decrease percent ?
(A) -4.5% (B) -4% (C) 4% (D) 4.5%
Ans:
(B)
Change in percentage
(20 – 20 – 20 * 20 / 100 ) %
( – 400 / 100 )% = – 4 % ( 4 % decrease )
- Mohan saves 14% of his salary while Sohan saves 22%. If both get saves Rs. 1540, what is the savings of Mohan?
(A) 985 (B) 980 (C) 990 (D) 995
Ans: . (B)
Salary of sohan
= 1540 / 22 * 100 = 7000
Salary of Mohan = Salary of Sohan
Hence salary of Mohan = 7000 savings of mohan
= 7000 * 14 / 100 = 980
- If the total monthly income o 12 person is 72,000 and the income of one of them is 120% of the average income , then his income is.
(A) 7250 (B) 7200 (C) 7100 (D) 7150
Ans: . (C)
Average income = 72000 / 12
= 6000
Hence required Income
= 6000 * 120 / 100 = 7200
- A man spents 75% income. His income increased by 20% and his expenditure also in creases by 10%. The percentage of increases in his savings is.
(A) 40% (B) 50% (C) 30% (C) 45%
Ans: .(B)
Income Exp. Savings
100 75 25
| +20% | + 10 % |
120 82.5 [ 37.55 ]
Required % = 37.5 – 25 / 25 * 100
= 12.5 / 25 * 100 = 50%
- Ram pays 50% income tax on this tax he has to pays a surcharge of 20% . Thus , the net tax rate he has to pay is.
(A) 50% (B) 60% (C) 40% (D) 70%
Ans: A: Net tax rate = 50 + 50 * 20 / 100
= 50 + 10
= 60 %
- If a number is increased by 20% and the resulting number is again increased by 20% , what percent is the total increase?
(A) +45% (B) -46% (C) +46% (D) +44%
Ans: 20 % increase 5 6
20 % increase 5 / 25 6 / 36
Required % = 11 / 25 * 100
= + 44 % gain
- A number is first decreased by 20% . The decrease number is then increased by 20% . The resulting number is less than the original number by 30. Find the original number.
(A) 740 (B) 730 (C) 750 (D) 760
Ans: .(C)
( – 20 + 20 – 20 * 20 / 100 ) = – 4 %
If the number be X then
4% of X = 30
X * 4 / 100 = 30
X = 750
- The price of an article was first increased by 20% and then again increased by 10% . If the last increased price is Rs. 99, the original price was.
(A) 75 (B) 76 (C) 77 (D) 74
Ans: (A)
Step 1 + 20% = 1 / 5, 5 6
Step 2 + 10 % = 1 / 10, 10 / 50 11 / 66
| * 3/2 | *3/2
75 99
So, the original price is 75
- If price of a book is first decrease by 20% and then increased by 25% the next change in th price of the book will be.
(A) increased with 5% (B) decreased with 5%
(C) no change (D) increased with 10%
Ans: (C)
– 20 % = 1/5, 5 4
+ 25 % = 1 /4, 4/ 20 5/ 20
Required % = No change in the price
24.Ankur’s salary in increased by 20% this year. If his percent salary is Rs. 12,600 then find the last year salary?
(A) 10000 (B) 10500
(C) 10250 (D) 10400
Ans: (B)
Required last year salary
= {12, 600 / ( 100 + 20)} * 100
= (12 , 600 /120 ) * 100 = 10 , 500
- Seema spents 35% of her salary on food and 5% of salary on children’s education. In january 2016 , she spends Rs. 17600 on these two itmes. Her salary for that month is.
(A) 44500 (B)44000 (C) 44200 (D) 44600
Ans:
(B)
Lets total salary of seema = 100 units
Accordingto the question,
100
/ \
35 (food) 5(education) = Total 40 units
40 units = 17 , 600
1 unit = 17 600 / 40 = 440
100 units = 440 * 100 = 44 , 000
- A clerk received an annual salary of Rs. 3660 in the year 2015 this was 20% more than his salary is 2014. what his salary in 2014?
(A) 3050 (B) 3555 (C) 3545 (D) 3546
Ans: (A)
+ 20% = 1/5
year 2014 year 2015
5 6
| * 610 |*610
3050 3660
Hence required salary = 3050
- Out of his total income , ankur spents 20% on house rent and 70% of the rent on house hold expenses . If he saves Rs. 7200 what is his total income.
(A) 30500 (B) 30000 (C) 35000 (D) 31000
Ans: (B)
20 % = 1/5
70 % = 7 /10
Intial (5) final (4)
* 10/50 * 3 / 12
| *600 |* 600
30000 7200
Hence total income = 30 , 000
28.If the price of suger is decreased by 20% , a person can buy 2kg more suger from 360 rupees. Find the original and percent price of suger per KG.
(A) 35kg (B) 36kg (C) 36.5kg (D) 37kg
Ans:
(B)
– 20 % = 1/5
original present
price 5 4
quantity 4 5
1 unit = 2 kg
Original quantity = 4 units
= 4 * 2 = 8 kg
Present quantity = 5 units
= 5 * 2 = 10 kg
original price = 360 / 8
= Rs. 45 kg
present price = 360 / 10
= Rs. 36 kg
- A man multiplied a no. by 7/4 insted of 3/5. Find the percent change in revenue.
(A) 575/3% (B) 576/3% (C) 578/3% (D) 580/3%
Ans: (A)
In such type f questions let a number which is exactly divisible of 5 and 4 means LCM of ( 5 , 4 ) = 20
3/5 * 20 = 12
7/4 * 20 = 35
Increase % = 23 / 12 * 100 = 575 / 3 %
- A student has to secure 40% marks to get through. If he gets 40 marks and files by 40 marks, then find the maximum marks set for the examination.
(A) 220 (B) 200 (C) 250 (D)270
Ans: (B)
40% is equal to = 40 + 40
40 % = 80
1 % = 2
Max. marks = 2 * 100 = 200