Percentages Quiz Set 008

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Question 1

A bag contains 920 red, 1080 green and 2000 blue marbles. What percentage of the total is the most visible color in the bag?

 A

50 %.

 B

60 %.

 C

40 %.

 D

70 %.

Soln.
Ans: a

By inspection, blue is the most visible color. The percentage of blue is $2000/{920 + 1080 + 2000}$ × 100 = 50%.

Solution | Discuss! | Chapters»

Question 2

One number is 456 more than the other, and it is 88% of the sum of them. What is the number?

 A

528.

 B

628.

 C

428.

 D

728.

Soln.
Ans: a

Let the numbers be x and x - 456. We have been given x = $88/100$ × (x + x - 456), which gives 100x = 88 × (2x - 456), solving, we get x = 528.

Solution | Discuss! | Chapters»

Question 3

Two numbers are, respectively, 10% and 30% less than a third number. What percent is the second of the first?

 A

$77{7/9}$ %.

 B

$88{5/8}$ %.

 C

$62{9/11}$ %.

 D

$66{1/11}$ %.

Soln.
Ans: a

If the third number is 100, first number is (100 - 10) = 90, and the second number is (100 - 30) = 70. The required ratio is $70/90$ × 100 = ${700/9}$, which is same as: $77{7/9}$%.

Solution | Discuss! | Chapters»

Question 4

One number is 160 more than the other, and it is 70% of the sum of them. What is the number?

 A

280.

 B

380.

 C

180.

 D

480.

Soln.
Ans: a

Let the numbers be x and x - 160. We have been given x = $70/100$ × (x + x - 160), which gives 100x = 70 × (2x - 160), solving, we get x = 280.

Solution | Discuss! | Chapters»

Question 5

A shopkeeper sells 52% items of his stock and still has 480 items left with him. How many items did he have at the beginning?

 A

1000 items.

 B

1100 items.

 C

900 items.

 D

1200 items.

Soln.
Ans: a

Let the items be x. His % stock left is 100 - 52 = 48, so 48% of x = 480, which gives x = $480/48$ × 100 = 1000 items.

Solution | Discuss! | Chapters»
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Updated on 2020-02-07. Published on: 2016-05-12

Posted by Parveen(Hoven),
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