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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?
Verified Answer
Last year there were 610 boys in a school. The number decreased by 20 ...
A. 854
Explanation: 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
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Most Upvoted Answer
Last year there were 610 boys in a school. The number decreased by 20 ...
Given:
Last year = 610 boys
Decreased by 20% this year
Girls = 175% of total number of boys this year

To find:
Number of girls in the school this year

Solution:
Step 1: Calculate the number of boys this year
20% decrease in the number of boys = 20/100 * 610 = 122
Number of boys this year = 610 - 122 = 488

Step 2: Calculate the number of girls in the school this year
175% of total number of boys this year = 175/100 * 488 = 854

Therefore, the number of girls in the school this year is 854.

Answer: Option A.
Community Answer
Last year there were 610 boys in a school. The number decreased by 20 ...
610*80/100=488
488*175/100=854
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