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1. The difference between the length and the breadth of a blackboard is 8 cm. If the breadth is decreased by 4 cm and the length is increased by 7 cm the areas remains the same. Find the dimensions of the blackboard?
- A. 30,22
- B. 30,22
- C. 30,22
- D. 30,22
Answer: Option B
Explanation:
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