If 15 articles cost Rs. 225, how much will 28 articles cost?

ARs. 380

BRs. 400

CRs. 420

DRs. 440

Explanation

Cost per article = 225 / 15 = Rs. 15. Cost of 28 articles = 28 * 15 = Rs. 420.

Exam Relevance

Topic: Ratio and Proportion
Subtopic: Unitary Method

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