Maths The length of a blackboard is 8 cm from its breadth. more if its length is 7 cm. and increase the width by 4 cm. If K is decreased, then its area remains unchanged, what is the length of the blackboard?
| Q.202127: The length of a blackboard is 8 cm from its breadth. more if its length is 7 cm. and increase the width by 4 cm. If K is decreased, then its area remains unchanged, what is the length of the blackboard? |
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