Percentage problems
- 1. The price of a product is increased by 20%. If the original price is Rs. 300, what is the final price of the product?
Options- A. 350
- B. 360
- C. 365
- D. 370 Discuss
Correct Answer: 360
Explanation:
Final Price = Initial price + Initial price x 20/100
= Initial price x (1+20/100)
= Rs.300x(1.2)
= Rs.360
- 2. If 35% of a number is 112, then the number is
Options- A. 380
- B. 300
- C. 320
- D. 35 Discuss
Correct Answer: 320
Explanation:
Let the number be y.
Then, 35% of y = 112
( 35 / 100 )y = 112
y = ( 112 x 100 ) / 35
= 320
- 3. 75 % of a number when added to 75 is equal to that number. What is the number?
Options- A. 280
- B. 400
- C. 300
- D. 305 Discuss
Correct Answer: 300
Explanation:
Let 'x' be the required number
0.75x + 75 =x
? 0.25x=75
? x=75 / 0.25 =300
- 4. Mukul's income is 10% more than Sunil's. How much less is Sunil's income than that of Mukul's?
Options- A. 8.09 %
- B. 9.09 %
- C. 7.09 %
- D. 7.90 % Discuss
Correct Answer: 9.09 %
Explanation:
Sunil's income is less than Mukul's = [(10 / (100 + 10)] × 100 %
= ( 1000 / 110 )%
= 9.09 %
- 5. The total population of a country is 294000, out of which 150000 are males. Out of every 100 males, 98 can read and write, but only 53% of the total population can do so. Find the percentage of women who can read and write.
Options- A. 6.125 %
- B. 5.125 %
- C. 6.000 %
- D. 4.125 % Discuss
Correct Answer: 6.125 %
Explanation:
Number of men who can read and write = 150000 × (98 ÷ 100) =147000
Number of men and women who can read and write =294000 × (53 ÷ 100) =155820
Number of women who can read and write 155820 - 147000 = 8820
Thus, out of 144000 women 8820 can read and write.
Required percentage = (8820 × 100) ? 144000 %= 6.125
- 6. If 16% of 40% of a number is 8, the number is?
Options- A. 200
- B. 225
- C. 125
- D. 320 Discuss
Correct Answer: 125
Explanation:
Let the required number be N.
Then, (16/100) x (40/100) x N = 8
Then, N = (8 x 100 x 100) / (16 x 40)
= 125
- 7. A number exceeds 20% itself by 40. The number is?
Options- A. 50
- B. 60
- C. 80
- D. 320 Discuss
Correct Answer: 50
Explanation:
Let the required number be N.
Then, N - 20% of N = 40
? N - 20N/100 = 400
? 5N - N = 200
? N = 50
- 8. 8 1/ 3% expressed as a fraction is?
Options- A. 25/3
- B. 3/25
- C. 1/12
- D. 1/4 Discuss
Correct Answer: 1/12
Explanation:
81/3% = (25/3 x 1/100) = 1/12
- 9. .025 in terms of term of rate per cent is?
Options- A. .25%
- B. 2.5%
- C. 0.25%
- D. 371/2% Discuss
Correct Answer: 2.5%
Explanation:
.025 = (25/1000) x 100% = 2.5%
- 10. .02 =(......?.....)%
Options- A. 20
- B. 2
- C. .02
- D. .2 Discuss
Correct Answer: 2
Explanation:
.02 =(2/100) x 100% =2%
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