Question
Download Solution PDFIn a classroom, the number of boys is three times the number of girls. Which of the following totals cannot represent the number of children in the class?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Number of boys = 3 × Number of girls
Formula used:
Total children = Number of boys + Number of girls
Calculation:
Let Number of girls = g
Then, Number of boys = 3g
Total children = g + 3g = 4g
We need to check which of the given options is not divisible by 4.
Option 1: 24
⇒ 24 ÷ 4 = 6 (Divisible by 4)
Option 2: 40
⇒ 40 ÷ 4 = 10 (Divisible by 4)
Option 3: 20
⇒ 20 ÷ 4 = 5 (Divisible by 4)
Option 4: 22
⇒ 22 ÷ 4 = 5.5 (Not divisible by 4)
∴ The correct answer is option 4.
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