RPF Constable practice question
10 notebooks cost ₹420. How many notebooks can be bought for ₹588?
From a RPF Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (D) 14 notebooks
Rate = ₹420 ÷ 10 = ₹42 per piece. Quantity for ₹588 = 588/42 = 14 notebooks. (Direct proportion: 10/420 = x/588 ⇒ x = 10 × 588/420 = 14.)
हिंदी में प्रश्न
10 कॉपियों का मूल्य ₹420 है। ₹588 में कितनी कॉपियाँ खरीदी जा सकती हैं?
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सही उत्तर: (D) 14 कॉपियाँ
दर = ₹420 ÷ 10 = ₹42 प्रति कॉपियाँ। ₹588 में मात्रा = 588/42 = 14 कॉपियाँ। (समानुपात: 10/420 = x/588 ⇒ x = 10 × 588/420 = 14।)
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