44% of the students in a class are females and the number of male students is 42. Find the total number of students in a class
1. 70
2. 65
3. 75
4. 45
1. 70
2. 65
3. 75
4. 45
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Correct Answer – Option 3 : 75
Given:
44% of the students are females
Number of male is 42
Calculation:
Total number of students in a class = 100%
Females = 44%
⇒ Males = 100% – 44%
⇒ Males = 56%
⇒ 56% = 42
⇒ 1% = 42/56
⇒ 100% = 42/56 × 100
⇒ 100% = 0.75 × 100
⇒ 100% = 75
∴ Total number of students in a class is 75.