In a class 1/16 of the students study math, 1/10 of the students study bio, 1/8 of the students study english. The total number of students is a 4 digit number. Find the diffrence between maximum number of students and minimum number of students.
Correct answer: A
Explanation
LCM of 16,10,8 = 80
the largest 4 digit number divisible by 80 = 9920
The smallest 4 digit number divisible by 80 = 1040
So, required difference = 9920-1040= 8880
A
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AQuA-RAT items are crowdsourced algebra problems, not ACT questions. They carry five answer choices in the pre-2025 ACT Mathematics style and no ACT reporting category. Useful for drilling Preparing for Higher Math content; not a substitute for a real form.