In your study are displayed your 5 favourite puzzle books. If you decide to arrange the five books in every possible combination and moved just one book every minute, how long would it take you ?
A
1 hour
B
2 hours
C
3 hours
D
4 hours
E
5 hours
Correct answer: D
Explanation
Possible arrangements are 5*4*3*2*1= 120
For making a new arrangement , two books are required to be moved.
so total 120*2=240 mins which will take 240 min or 4 hours.
Source: Algebra word problems from the AQuA-RAT dataset (Ling et al., 2017), published by Google DeepMind under the Apache License 2.0.
Go to the official source →
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.
id aqua_rat:73ec2618c1896ffcc0af44efbd98ae89
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