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A square of side 3 cm is cut out from the middle of a rectangular card 12 cm long and 8 cm wide. What area of card is left?

Class 6Area of Combined ShapesMensuration
  • A84 sq cm
  • B105 sq cm
  • C87 sq cm
  • D93 sq cm

Step-by-Step Solution

Card area = sq cm. Hole = sq cm. Left = 96 − 9 = 87 sq cm. (105 adds the hole instead of removing it; 93 subtracts only 3.)
Answer: C) 87 sq cm

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