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euismod dolor nec pretium. Nunc ut tristique massa.

Nam sodales mi vitae dolor ullamcorper et vulputate enim accumsan.
Morbi orci magna, tincidunt vitae molestie nec, molestie at mi. Nulla nulla lorem,
suscipit in posuere in, interdum non magna.

Based on the concept of percentages in maths I have included few questions that will help to understand concept of time, distance and speed better. The percentage concept is quite easy. X % mean X/100. Otherwise to solve questions you need simple logic

The quiz goes in here.

Problem on concept on Percentages

Welcome: There are practice question based on peesrcentag . All the questions are typical of the type asked in competitive exams. Try out, if you get more than 75 % anounce yourself as Viking. If there are mistakes please do let me know

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Question 1

If the price of onion increases by 30 % and sweety plans to spend only an additional 10% on onion, by how much % will she reduce the quantity of onion purchased?

A

15

B

20

C

18

D

35

Question 1 Explanation:

If the price of onion is Rs X/kg, then after increase it will 1.3X/kg
Suppose Sweety intially used to buy Y kgs then her spend beore price increase is Rs XY. But after price increase it is 1.3XY.
If she intends to increase the spend by only 10% then suppose she buy quantity Z. i.e she wants to spend only 10 % more of XY = 1.1 XY
1.2 XY = 1.3XZ
or Z = 11/13 = 85 % (use approximation) or Sweety will have to buy 15 % less onions to keep the expense rise to 10 %

Question 2

There are 1000 chickens in a poultry farm in year May 2010. Due to normal growth the number of chicken grows by x % by next month in June 2010. Due to a disease spread in poultry many of chikens die in July 2010 at the Y %. However owner finds the chicken number reamin sames to 1000. What Can we say growth of X % in June 2010 as compared to Y% in July 2010

A

X = Y

B

X > Y

C

X < Y

Question 2 Explanation:

ust put in some value and check let say X = 10 and Y = 11
June 2010 No. of chickens are 1100, Now if July after population decrease n. of chicken is by say Y % then
1000 = 1100 - 1100 x Y/100
10/11 = 1 - Y/100
Y = 100/11
hence X > Y

Question 3

If in a college election contested by only two Ram and Shyam, Ram secured 20 % of the total votes more than Shyam. If Shyam got 400 votes, by how many votes did it lose the election?

A

400

B

600

C

200

D

250

Question 3 Explanation:

Let us assume Ram has secured X % Votes, then % Votes secured by Shyam is ( X - 15) % . Since there are only 2 parties addition of these two should amount to 100 %
X + X - 20= 100
2X = 120 or X = 60 %
Ram got 60 % votes and Shyam got 40 % Vote
If the total votes is V then Shaym 40 % is equal to 400
or V = 1000 , Ram Votes is 600 and Shaym is 400
Shaym lost by 200 votes

Question 4

Student securing 20% marks fails by 15 marks but another who gets 45% marks gets 10% more than the passing marks. What is the maximum marks?

A

150

B

100

C

200

D

50

Question 4 Explanation:

Passing cut-off mark is at 30 % ( 42 % - 12 %)
Suppose max. mark is X then as per statement
Passing mark (35 %) - 20% of max. marks fails by 10 marks
15 % of X = 15
So Max marks is 100

Question 5

Strawberry Jams are made by cooking over stove and reducing water. If the strawberry contain 40 % of water then how many strawberries need to be extracted so that 1 Kg Jam can be made with only 20 % of water content

A

5

B

2

C

7

D

4

Question 5 Explanation:

The strawberry fruit content has changed from 50 % to 85 % in Jam.
Since the pulp remain same
40 % of Strawberry = (100 - 20) % x Jam weight
Strawberry = 80 / 40 = 2 Kgs of Strawberry are required

Question 6

A coconut vendor sells 50 % of stock and discards 10 % of stock in first day. The next day he sells 30 % of the stock and disposes 50 % of stock, the next day he sells 12 % and disposes rest. How much waste did vendor threw away?

A

37 %

B

45 %

C

35

D

47

Question 6 Explanation:

Suppose the vendor has 100 coconuts
First he throws away 10 and stocks 40 for next day
2nd day he sells 12, throws away 20 and keeps 8
3rd day he sells 1 and throws away 7
So in total thew away 37 out of 100

Question 7

If the cost price of 20 articles is equal to the selling price of 16 articles, What is the percentage of profit or loss that the merchant makes?

A

50 %

B

20

C

40

D

60

Question 7 Explanation:

Let CP be 1 then 30 items cost Rs 30.00 margin be X
Then SP of 20 items = Rs 30
margin on 20 items is Rs 30 - 20 = Rs 10
margin on 1 item = 10/20 = 50 %

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