RRB NTPC CBT-1 previous year question
In a certain code language, A ^ B means ‘A is the mother of B’, A ÷ B means ‘A is the daughter of B’, A ! B means ‘A is the wife of B’, and A √ B means ‘A is the father of B’. Based on the above, how is T related to Z if 'T √ U ÷ V ^ W ! Z'?
Asked in RRB NTPC 2026 — 14 June Shift 2 · Reasoning
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Correct answer: (C) Wife's father
Decoding the chain: T is father of U, U is daughter of V (so V is T's wife and U's mother), V is mother of W, and W is wife of Z. Since V and W are mother-daughter and W married Z, T (V's husband) is the father of Z's wife, i.e. T is Z's wife's father.
हिंदी में प्रश्न
दिए गए कथनों और निष्कर्षों को ध्यानपूर्वक पढ़िए। यह मानते हुए कि कथनों में दी गई जानकारी सत्य है, भले ही वह सामान्यतः ज्ञात तथ्यों स॑ भिन्न प्रतीत होती हो, निर्णय कॉजिए कि दिए गए निष्कर्षों म॑ से कौन- सा, कथनों का ताकिक रूप से अनुसरण करता है। कथन: UU डीजल, पेट्रौल है। कुछ पेट्रोल, इंधन हैं। SS (I) कोइ भी इधन, पंट्रोल Tel है (I) कोई भी पेट्रोल, डीजल नहीं है।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) केवल निष्कर्ष (॥) अनुसरण करता है।
श्रृंखला को डिकोड करने पर: T, U का पिता है, U, V की पुत्री है (अर्थात V, T की पत्नी और U की मां है), V, W की मां है, और W, Z की पत्नी है। चूंकि V और W मां-बेटी हैं और W ने Z से विवाह किया, T (V का पति) Z की पत्नी का पिता है, अर्थात T, Z की पत्नी का पिता है।
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