AP Police SI practice question
A cube is painted red on all faces and cut into 4,913 identical smaller cubes (17×17×17). How many have exactly 2 faces painted?
From a AP Police SI Reasoning practice set · Reasoning
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Correct answer: (B) 180
Edge cubes excluding corners = 12 × (17−2) = 12 × 15 = 180.
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हिंदी में प्रश्न
एक घन को सभी फलकों पर लाल रंग किया जाता है और उसे 4,913 समान छोटे घनों (17×17×17) में काटा जाता है। कितने घनों के ठीक 2 फलकों पर रंग होगा?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 180
कोनों को छोड़कर किनारे के घन = 12 × (17−2) = 12 × 15 = 180।
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