100 percent of which number is 20? 100 500 20 0 Let the rquired number be 'P' Ac

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Correct Answer

20

Explanation

Let the rquired number be 'P'

According to the question,

$\frac{100 x P}{100} = 20 = > P = 20 x \frac{100}{100} = 20$

Hence, 100 percent of the number 20 is 20.

Now, you can also try for

20 percent of what number is 100

$\frac{20 x P}{100} = 100 = > P = \frac{100 x 100}{20} = 500 = > P = 500$

Hence, 20 percent of the number 500 is 100.

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Percentage problems

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1. 5% of a number is 25% more than another number. The difference between the numbers is 96. Then find the value of the numbers?
Options
A. 102 & 6
B. 99 & 3
C. 104 & 8
D. 100 & 4

2. The tax on an article decreases by 10% and its consumption increases by 10%. Find the effect percent on its revenue?
Options
A. 10% increase
B. 2% decrease
C. 1% decrease
D. 11% increase

3. Lagaan is levied on the 60% of the cultivated land. The revenue department collected total Rs. 3,84,000 through the lagaan from the village of Sukhiya. Sukhiya, a very rich farmer , paid only Rs.480 as lagaan. The percentage of total land of Sukhiya over the total taxable land of the village is:
Options
A. 0.15%
B. 15%
C. 0.125%
D. None of these

5. One-third of the boys and one-half of the girls of a college participated in a sport. If the number of participating students is 300, out of which 100 are boys. What is the total number of students in the college?
Options
A. 500
B. 300
C. 600
D. 700

6. One-quarter of one-seventh of a land is sold for Rs. 30,000. What is the value of an four fifteenth of land ?
Options
A. Rs.1,92,000
B. Rs.2,24,000
C. Rs.1,26,000
D. Rs.3,42,000

7. A number, when 35 is subtracted from it, reduces to its 80 percent. What is four - fifth of that number ?
Options
A. 175
B. 140
C. 135
D. 95

8. 600 students took the test on physics and chemistry. 35% students failed in physics and 45% students failed in chemistry and 40% of those who passed in chemistry also passed in physics, then how many students failed in both:
Options
A. 162
B. 138
C. 60
D. None of these

9. The Shopkeeper increased the price of a product by 25% so that customer finds it difficult to purchase the required amount. But somehow the customer managed to purchase only 70% of the required amount. What is the net difference in the expenditure on that product?
Options
A. 10% more
B. 5% more
C. 12.5% more
D. 17.5% more

10. A number X is mistakenly divided by 10 instead of being multiplied by 10. What is the percentage error in the result?
Options
A. -99%
B. +99%
C. -100%
D. +100%

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