RRB NTPC CBT-1 previous year question
Three positive numbers are in proportion such that the ratio of the first number to the second number is the same as the ratio of the second number to the third number. If the first number is 16 and the second number is 24, find the value of the third number.
Asked in RRB NTPC 2026 — 18 June Shift 2 · Quantitative Aptitude
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Correct answer: (C) 36
Since first:second = second:third, the common ratio is 24/16 = 1.5, so the third number = 24 x 1.5 = 36.
हिंदी में प्रश्न
तीन धनात्मक संख्याएँ, समानुपात में इस प्रकार हैं कि पहली संख्या और दूसरी संख्या का अनुपात, द्वसरी संख्या और तीसरी संख्या के अनुपात के बराबर है। यदि पहली संख्या 16 और दूसरी संख्या 24 है, तीसरी सख्या का मान ज्ञात काजिए।
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सही उत्तर: (C) 64
चूँकि पहली:दूसरी = दूसरी:तीसरी है, सामान्य अनुपात 24/16 = 1.5 है, अतः तीसरी संख्या = 24 x 1.5 = 36।
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