Multiple choice

A rectangular piece of cardboard 18 cm × 24 cm is made into an open box by cutting a square of 5 cm side from each corner and building up the side. What is the volume of the box? (in cm3) एक 18 × 24 सेमी. आयताकार दफ्ती के टुकड़े के प्रत्येक कोनों पर 5 सेमी. वर्गाकार काटने के पश्चात एक खुला हुआ बॉक्स बनाया गया। इस बॉक्स का आयतन क्या है? (सेमी.3 में)

  1. 1235

  2. 990

  3. 560

  4. 600

  5. Can’t be determined तय नहीं कर सकते हैं
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

After cutting 5 cm squares from each corner, the box dimensions become: length = 24 - 10 = 14 cm, breadth = 18 - 10 = 8 cm, height = 5 cm. Volume = length × breadth × height = 14 × 8 × 5 = 560 cm³. The key is remembering that we cut from ALL corners, so each dimension reduces by 10 cm (5 from each side).

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