RRB Technician Grade 3 practice question
A trader wants to prepare 15 kg of a mixture worth ₹56/kg by mixing tea worth ₹48/kg with tea worth ₹64/kg. How much of the cheaper tea should he use?
From a RRB Technician Grade 3 Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (C) 7.5 kg
Ratio (cheap:dear) = 1:1. Cheap tea qty = 15×1/(1+1) = 7.5 kg.
अनुपात (सस्ता:महंगा) = 1:1। सस्ती चाय की मात्रा = 15×1/(1+1) = 7.5 किग्रा।
हिंदी में प्रश्न
एक व्यापारी ₹48/किग्रा वाली चाय को ₹64/किग्रा वाली चाय के साथ मिलाकर ₹56/किग्रा वाला 15 किग्रा मिश्रण बनाना चाहता है। उसे कितनी सस्ती चाय लेनी चाहिए?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 7.5 किग्रा
Ratio (cheap:dear) = 1:1. Cheap tea qty = 15×1/(1+1) = 7.5 kg.
अनुपात (सस्ता:महंगा) = 1:1। सस्ती चाय की मात्रा = 15×1/(1+1) = 7.5 किग्रा।
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