RRB Technician Grade 3 previous year question
The prices of articles of type P, Q and R are ₹280, ₹180 and ₹105, respectively. Govind buys articles of the three types in the ratio 3 : 4 : 7 for a total of ₹6,885. How many articles of type Q did he purchase?
Asked in RRB Technician Grade 3 (06 Mar 2026 Shift 3) · Quantitative Aptitude
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Correct answer: (D) 12
Let the common multiplier be k; total cost = 3k×280 + 4k×180 + 7k×105 = 840k+720k+735k = 2295k = 6885, so k = 3. Articles of type Q = 4k = 12.
हिंदी में प्रश्न
P, Q और R प्रकार की वस्तुओं की कीमतें क्रमशः ₹280, ₹180 और ₹105 हैं। गोविंद तीनों प्रकार की वस्तुओं को, जो 3 : 4 : 7 के अनुपात में हैं, कुल ₹6,885 में खरीदता है। उसने Q प्रकार की वस्तुएं कितनी खरीदीं?
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सही उत्तर: (D) 12
मान लीजिए गुणक k है; कुल लागत = 3k×280+4k×180+7k×105 = 2295k = 6885, अतः k = 3। Q प्रकार की वस्तुएँ = 4k = 12.
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