# Aptitude - Percentages Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to **Percentages**. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using **Show Answer** button. You can use **Next Quiz** button to check new set of questions in the quiz.

### Answer : D

### Explanation

60% of 264 =^{60}⁄_{100}x 264 = 158.4 50% of 234 =^{50}⁄_{100}x 234 = 117 70% of 164 =^{70}⁄_{100}x 164 = 114.8 20% of 1500 =^{20}⁄_{100}x 1500 = 300 15% of 1056 =^{15}⁄_{100}x 1056 = 158.4

Q 2 - Aman buys goods worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sales tax @ 10%. Find the amount he will have to pay for goods?

### Answer : B

### Explanation

Rebate = 6% of 6650 = Rs. 399 Sales Rax = 10% of (6650 - 399) =^{10}⁄_{100}x 6251 = Rs. 625.10 Therefore, amount = 6251 + 625.10= Rs. 6876.10

Q 3 - If one number is 80% of the other and 4 times the sum of their squares is 656, then the numbers are?

### Answer : B

### Explanation

Let one number is p and other q. The other number q will be 80% of p i.e. q =^{4}⁄_{5}p Therefore, 4 [p^{2}+ (^{4}⁄_{5}p)^{2}] = 656^{41}⁄_{25}p^{2}= 164 p = 10 other number, q = 80.

Q 4 - 10% of the voters did not cast their votes in an election between two candidates. 10% of the votes polled were found invalid. The successful candidate for 54% of the valid votes and won by a majority of 1620 votes. Find the number of voters enrolled on the voters list?

### Answer : C

### Explanation

Let z be the total number of voters. Votes polled = 90% of z Valid votes = (90% of (90% of z)) Therefore, 54% of [90% of (90% of z)] - 46% of [90% of (90% of z)] = 1620 → 8% of [90% of (90% of z)] = 1620 The number of voters enrolled were z = 25000

Q 5 - Of the 1000 inhabitants of a town, 60% are males of whom 20% are literate. If, of all the inhabitants, 25% are literate, then what percent of the females of the town are literate?

### Answer : D

### Explanation

^{60}⁄_{100}x 1000 = 600 = number of males → 1000 - 600 = 400 = number of females Literates = 25% of 1000 = 250 Literate males = 20% of 600 = 120 Literate females = 250 - 120 = 130 Therefore, the percent of the females literate =^{130}⁄_{400}x 100 = 32.5%

Q 6 - In a recent survey 40% houses contained 2 or more people. Of those houses containing only one person, 25% were having only a male. What is the percentage of all the houses which contain exactly one females and no males?

### Answer : D

### Explanation

As per question, 40% houses contain two or more people. i.e. 60% houses have only one person. O these houses 25% have male. ∴ 75% of 60% of the total houses have only one female and no males. = .75 * 60% = 45%

Q 7 - In an election the losing candidate gets 20% of the votes polled is defeated by 12000 votes. The number of votes polled by winning candidate is

### Answer : C

### Explanation

Let the votes polled by the winning candidate be x, then (x-12000) =20%of (x+(x-12000)) x=16000

### Answer : C

### Explanation

Let his income be x, then x-5% of x - 20% of 95% of x = 1919 0r x-x/20-(20*95*x)/(100*100)=1919 x=Rs.2525

### Answer : D

### Explanation

Let's have 40% of x = 240. => 40/100 x = 240 => x = 240 * 10/4= 600

Q 10 - When the price of a product was increased by 15%, the number sold was decreased by 20%. What was the net effect?

### Answer : C

### Explanation

Let original price of the product = Rs 100 and number of products originally sold = 100. Original sale proceeds = 100*100 = Rs 10,000/- New sale proceeds = 115*80 = Rs 9200 Decrease = 10,000 – 9,200 = 800/- ∴ Decrease % = (800/1000)*100 = 8%