The length of the ribbon was originally 30 cm. It was reduced in the ratio 5 : 3. What is its length now?
Correct answer: A
Explanation
Length of ribbon originally = 30 cm
Let the original length be 5x and reduced length be 3x.
But 5x = 30 cm
x = 30/5 cm = 6 cm
Therefore, reduced length = 3 cm
= 3 × 6 cm = 18 cm
A
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Source: Algebra word problems from the AQuA-RAT dataset (Ling et al., 2017), published by Google DeepMind under the Apache License 2.0.
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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.