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Percentage: Problem and Solution Part - 5
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Percentage problem and its solution part - 5 using shortcut approach

Bharat Gupta is teaching live on Unacademy Plus

Bharat Gupta
An engineer by degree Mathematician by Heart. Having 23 years of teaching experience. 10% discount code BHARAT_GUPTA

U
Unacademy user
construction activities ...near NCR region ..is a severe reason for air pollution
The height of A is 25% more than the height of B and 20% less than the height of C. By what percent the height of C is more than that of B? a. 45 b. 50.50 c. 56.25 d. none of these Sir can you please tell me how to approach this sum with your method. I'm getting confused in solving by your method
Zainab Sheikh
a year ago
C A B 6,5, 4 difference in C and B is= 2 2/6 ans is d.33.33
where 18/25 came from 28/3 %??
Vaishnavi Trivedi
3 months ago
28/(3×100)
Cm
Chauhan mehul
3 months ago
28/300 karne par bhi nai aa rahaa
what is the role of 28 kg grapes in the question11.10
Sir at 2:8. Can u plz explain the concept regarding divisibility by 3.
Sir, in the iron ore question at 9:20, after first slag removal why iron removed is not x/8? Why is it 25, when 500 kg of ore had a certain amount of iron.
Parth Gohil
6 months ago
same kind of question. it is written as 200 kg of slag containing 12.5% of iron is removed so must be X/8, but sir took is as 25 kg if that's so question should be written like 200 kg of slag "of which" 12.5% is iron was removed.🤦🤦🤦🤦
  1. Percentage Problem Er. Bharat Gupta Having 20 years of teaching experience. Authored several books published by Pearson, Vikas, Unique publication etc Any query or suggestion, share your comments.


  2. In a Public Sector Unit (PSU), there are 45600 employees. When the PSU offered a Voluntary Retirement Scheme (VRS), 40% of the employees applied for the VRS. After scrutinizing, PSU has rejected 15% of the applications. But only 9120 employees took the retirement through the scheme. What percentage of the total number of employees did not take retirement even a. 25% though their applications are not rejected? [CAT-2014] b. 14% c. 24% d. 12.75%


  3. In a Public Sector Unit (PSU), there are 45600 employees. When the PSU offered a Voluntary Retirement Scheme (VRS), 40% of the employees applied for the VRS. After scrutinizing, PSU has rejected 15% of the applications. But only 9120 employees took the retirement through the scheme. What percentage of the total number of employees did not take retirement even though their a. 25% applications are not rejected? [CAT 2014] b. 14% c. 24% d. 12.75% erson ISSoy VR s- IS504-9120= 63s


  4. In an election only two candidates A and B contested 30% of the voters did not vote and 1600 votes were declared as invalid. The winner, A got 4800 votes more than his opponent thus he secured 51% votes of the total voters on the voter list. Percentage votes of the loser candidate, B out of the total voters on the voter list is: a. 5.6% b. 3% c. 6.2% d. 5% e. 4.6%


  5. In an election only two candidates A and B contested 30% of the voters did not vote and 1600 votes were declared as invalid. The winner, A got 4800 votes more than his opponent thus he secured 51% votes of the total voters on the voter list. Percentage votes of the loser candidate, B out of the total voters on the voter list is: a. 5.6% b. 3% c. 6.2% d. 5% e. 4.6% winnu vah Looke vat.


  6. In a school there are 2000 students. On January 2nd, all the students were present in the school except 4% of the boys and on January 3rd, all the students are present in the school except 28/3% of the girls, but in both the days number of students present in the school, were same. The number of girls in the school is a. 400 b. 1200 C. 800 d. 600


  7. In a school there are 2000 students. On January 2nd, all the students were present in the school except 4% of the boys and on January 3rd, all the students are present in the school except 28/3% of the girls, but in both the days number of students present in the school, were same. The number of girls in the school is: a. 400 b. 1200 c. 800 d. 600 LO O) 2 96 b


  8. The monthly income of Shyama and Kamal together is Rs28000. The income of Shyama and Kamal is increased by 25% and 12.5% respectively. The new income of Kamal becomes 120% of the new salary of Shyama. What is the new income of Shyama? a. Rs12000 b. Rs18000 c. Rs14000 d. Rs16000 e. Rs15000


  9. The monthly income of Shyama and Kamal together is Rs28000. The income of Shyama and Kamal is increased by 25% and 12.5% respectively. The new income of Kamal becomes 120% of the new salary of Shyama. What is the new income of Shyama? a. Rs12000 b. Rs18000 c. Rs14000 d. Rs16000 e. Rs15000 12-S . K


  10. 500 kg of ore contained a certain amount of iron. After the first blast furnace process, 200 kg of slag containing 12.5% of iron was removed. The percentage of iron in the remaining ore was found to be 20% more than the percentage in the original ore. How many kg of iron were there in the original 500 kg ore? a. 54.2 b. 58.5 c. 46.3 d. 42.4 e. 89.2