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72% of 250 students are good in science. How many students are not good in science?
  • a)
    180
  • b)
    70
  • c)
    120
  • d)
    130
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
72% of 250 students are good in science. How many students are not goo...
The no. of students good in science

No. of students not good in science
​= 250 – 180 = 70
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Community Answer
72% of 250 students are good in science. How many students are not goo...
So,
first we have to find the no.of students who are good in science:
72% of 250 -> 72/100 * 250 = 180

Hence,The no.of students are good in science = 180
     The no.of students are not good in science = total students - no.of students good in science = 250 - 180 = 70

Therefore,The no.of students not good in science = 70 (that is option 'b' )
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