RRB NTPC CBT-1 previous year question
If 40% of a number exceeds 25% of it by 42, then the number is: 5704
Asked in RRB NTPC 2026 — 15 June Shift 2 · Quantitative Aptitude
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Correct answer: (B) 280
Let the number be N. Given 40%N - 25%N = 42, so 15%N = 42, which gives N = 42×100/15 = 280.
हिंदी में प्रश्न
यदि किसी संख्या का 40% उसके 25% से 42 से अधिक है, तो वह संख्या ज्ञात कीजिए।
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उत्तर और व्याख्या देखें
सही उत्तर: (B) 320
मान लें संख्या N है। दिया गया है 40%N - 25%N = 42, अतः 15%N = 42, जिससे N = 42×100/15 = 280 है।
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