Verbal Reasoning - Arithmetic Reasoning - Discussion
Discussion Forum : Arithmetic Reasoning - Section 1 (Q.No. 41)
41.
The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class ?
Answer: Option
Explanation:
Let number of girls = x and number of boys = 3x.
Then, 3x + x = 4x = total number of students.
Thus, to find exact value of x, the total number of students must be divisible by 4.
Discussion:
14 comments Page 2 of 2.
Abdul Rehman said:
1 decade ago
How the answer 42?
It is not exact divisible by 4. Please explain.
It is not exact divisible by 4. Please explain.
Prathap said:
1 decade ago
Can I know why you put 12 in x place? Please tell me correct reason.
Parth said:
1 decade ago
This is wrong right answer is 48.
4x = 3x+x.
48 = 3(12)+12.
4x = 3x+x.
48 = 3(12)+12.
Arunck said:
1 decade ago
How is this possible? 42 isn't divisible by 4.
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