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Last year there were 610 boys in a school. The number decreased by 20 percent this year. How many girls are there in the school if the number of girls is 175 percent of the total number of boys in the school this year ?
  • a)
    854
  • b)
    848
  • c)
    798
  • d)
    782
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Last year there were 610 boys in a school. The number decreased by 20 ...
No of boys in a school last year = 610
No of boys in a school for this year
610*80/100=122
610-122=488
No of girls =175/100 * 488=854
Community Answer
Last year there were 610 boys in a school. The number decreased by 20 ...
Initial Number of Boys
- Last year, there were 610 boys in the school.
Decrease in Boys
- The number of boys decreased by 20 percent this year.
- To find the decreased number:
- 20% of 610 = 0.20 * 610 = 122.
- Therefore, the number of boys this year:
- 610 - 122 = 488.
Calculation of Girls
- The number of girls is given as 175 percent of the total number of boys this year.
- To calculate the number of girls:
- 175% of 488 = 1.75 * 488 = 854.
Conclusion
- The total number of girls in the school is 854.
- Hence, the correct answer is option 'A'.
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Last year there were 610 boys in a school. The number decreased by 20 percent this year. How many girls are there in the school if the number of girls is 175 percent of the total number of boys in the school this year ?a)854b)848c)798d)782Correct answer is option 'A'. Can you explain this answer?
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