Q. 82

# Price of petrol was Rs p per litre last month. Price of petrol now is Rs (p – 5) per litre.

Answer :

The price of petrol is reduced by 5 Rs per litre from last month.

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Perimeter of a rectangle is found by using the formula P = 2 ( l + w), where l and w are respectively the length and breadth of the rectangle. Write the rule that is expressed by this formula in words.

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