Percentage x Percentage of good students = (72/100)*25 nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbs ...

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Standard VI

Mathematics

Ratio

Question

72% of 25 students are good in mathematics. How many are not good in mathematics?

Name: NCERT - Grade 08 - Mathematics - Comparing Quantities - Q3
Uploaded: 2022-07-04T10:36:42+05:30
Description: Percentage x Percentage of good students = (72/100)*25 nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbs ...

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Solution

Percentage x% of y $= \frac{x}{100} \times y$
Percentage of good students = (72/100)*25
= 18
∴ Number of students who are not good in mathematics are (25-7) = 18

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Ratio

Standard VI Mathematics

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72% of 25 students are good in mathematics. How many are not good in mathematics?

Percentage x% of y =x100×y Percentage of good students = (72/100)*25 = 18 ∴ Number of students who are not good in mathematics are (25-7) = 18

Percentage x% of y $= \frac{x}{100} \times y$
Percentage of good students = (72/100)*25
= 18
∴ Number of students who are not good in mathematics are (25-7) = 18