Calculate the percentage gain of a merchant who purchased 90 kg of oranges for Rs. 450 and sold the whole lot at the rate of Rs. 7.50 per kg.
Correct answer: A
Explanation
C.P. of 1 kg = 450/90 = Rs. 5
S.P. of 1 kg = Rs. 7.50
Gain = 7.50-5 = 2.50
Gain % = 2.50/5 * 100 = 50%. Answer: 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.