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Cube and Dice — Verbal Reasoning Questions & Practice

2 Cube and Dice questions from Verbal Reasoning for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong. का अभ्यास करें

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Cube and Dice पर अभ्यास प्रश्न — उत्तर सहित

Try each question first, then open the answer. Explanations are included.

1. A cube is painted red on all its faces and then cut into 27 equal smaller cubes (3x3x3). How many smaller cubes have no face painted at all?

उत्तर दिखाएँ

उत्तर: B

The cubes with no painted face lie entirely inside, away from all outer faces. For a 3x3x3 cube, this is (3-2)^3=1 cube, located at the very center.

2. In a standard dice, the sum of numbers on any two opposite faces is 7. If '6' is on the front face, what number is on the back (rear) face?

उत्तर दिखाएँ

उत्तर: B

Since opposite faces sum to 7, the face opposite to 6 is 7-6=1.

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