Discussion
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- Question
- A saves 20% of his monthly salary. If his monthly expenditure is ? 6000 then his monthly saving is?
Options- A. ? 1200
- B. ? 4800
- C. ? 1500
- D. ? 1800
- Correct Answer
- ? 1500
ExplanationSaving = 20%
Expenditure = 80% = ?6000
Since 80% is 6000 so 20% would be 6000/4 = ?1500
Hence net saving per month = ?1500 - 1. Reena got 76 marks in Hindi, 48 marks in science, 84 marks in Mathematics, 38 marks in Social Science and 72 marks in English. The Maximum marks of each subjects was 100. How much over all percentage of marks she got?
Options- A. 63.8%
- B. 62.6%
- C. 63.6%
- D. 64.8% Discuss
- 2. In order to pass in an exam, a students is required to get 780 marks out of the aggregate marks. Sonu got 728 marks and was declared failed by 5%. What are the maximum aggregate marks a student can get in the examination?
Options- A. 1040
- B. 1100
- C. 1000
- D. Cannot be determined Discuss
- 3. Two number are respectively 20% and 50% more than a 3rd number, What is the percentage of 2nd with respect to 1st?
Options- A. 125%
- B. 90%
- C. 80%
- D. 75% Discuss
- 4. If length and breadth of a rectangle became half and double respectively, then what will be the resultant area?
Options- A. 25%
- B. 55%
- C. 75%
- D. 80% Discuss
- 5. What is 32% of 3/8 th of 5000?
Options- A. 606
- B. 610
- C. 580
- D. 600 Discuss
- 6. A's salary is 20% less than B' s salary. Then B's salary is more than A's salary by
Options- A. 331/2%
- B. 162/3%
- C. 20%
- D. 25% Discuss
- 7. The price of 10% increased of an article of ? 100, then again 10% increased the price. How much is increased in total price.
Options- A. 20
- B. 21
- C. 110
- D. 121 Discuss
- 8. A man sells a chair and a table, both at same price of Rs. 4000 each and is neither gaining nor losing in the deal. If he sold the chair at profit of 25% then he sold table at loss of?
Options- A. 16%
- B. 16.66%
- C. 16.33%
- D. 18.66% Discuss
- 9. Rakesh credits 15% of his salary in his fixed deposit account and spend 30% of the remaining amount on groceries. If the cash in hand is Rs. 2380, What is this salary?
Options- A. 35000
- B. 4000
- C. 45000
- D. 5000 Discuss
- 10. A man donated 5% of his income to a charitable organisation and deposited 20% of the remainder in a bank. If he now has Rs. 1919 left, what is his income?
Options- A. Rs. 2558.60
- B. Rs. 2525
- C. Rs. 2500
- D. Rs. 2300 Discuss
Percentage problems
Search Results
Correct Answer: 63.6%
Explanation:
Total marks obtained = (76 + 48 + 84 + 38 + 72) = 318
Maximum marks = 5 x 100 = 500
? Requirred percentage = (318/500) x 100 % = 63.6 %
Correct Answer: 1040
Explanation:
Let the maximum marks be N .
According to the question,
Then, 780 - 728 = 5% of N
? 52 = 5% of N
? N = 5200/5 = 1040
Correct Answer: 125%
Explanation:
III II I
100 150 120
Required percentage = (150/120) x 100% = 125%
Correct Answer:
Explanation:
According to the question,
Change in length of rectangle = - 50% = a
Change in breadth of rectangle = 100% = b
Net effect = a + b + (ab)/100 %
= - 50 + 100 + [(-50) (100) / 100]%
= 0%
Correct Answer: 600
Explanation:
32%of 3/8 of 5000 = (32/100) x (3/8) x 5000
= 4 x 3 x 50 = 600
Correct Answer: 25%
Explanation:
Given, a = 20%
Required percentage = [a/(100 - a)] x 100%
= [20/(100 - 20)] x 100%
= (20/80) x 100%
= 25%
Correct Answer: 21
Explanation:
10% of 100 = 10
New price = 110
Again, 10% of 110 = 110 x (10/100) = 11
New price = 110 + 11 = 121
? Required increment = 121 - 100 = 21
Correct Answer: 16.66%
Explanation:
CP of the chair which is sold at 25% of profit = Rs 4000/ (1+ 25%)
= Rs 4000/1.25
= Rs 3200
Now given, that sum of CP pf table and chair= sum of SP of table and Chair
? 8000= 3200 + CP of Table
? CP of Table = Rs 4800
? Loss on Cost price of table = Rs 4800- Rs 4000= Rs 8000
? Loss % = 8000/4800 = 16.66%
Correct Answer: 4000
Explanation:
Let salary be Rs. A, then A - 15 % of A - 30% of 85% of A = 2380
? A - 15A/100 - (30 x 85 x A)/(100 x 100) = 2380
? 200A - 30A - 51A = 2380 x 200
? 119A = 2380 x 200
? A = (2380 x 200)/199 = 4000
Correct Answer: Rs. 2525
Explanation:
Let his income be Rs. N, then N - 5% of N - 20% of 95% of N = 1919
? N - N/20 - (20 x 95 x N)/(100 x 100) = 1919
? N - N/20 - 19N/100 = 1919
? 100N - 5N - 9N = 191900
? N = 191900 / 76 = 2525
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