SSC CPO practice question
A cube is painted green on all faces and cut into 2,744 identical smaller cubes (14×14×14). How many have exactly 2 faces painted?
From a SSC CPO Reasoning practice set · Reasoning
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Correct answer: (C) 144
Edge cubes excluding corners = 12 × (14−2) = 12 × 12 = 144.
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हिंदी में प्रश्न
एक घन को सभी फलकों पर हरा रंग किया जाता है और उसे 2,744 समान छोटे घनों (14×14×14) 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: (C) 144
कोनों को छोड़कर किनारे के घन = 12 × (14−2) = 12 × 12 = 144।
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