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Numbers in General Form

If cost of on...

Question

If cost of one chair is Rs. $678$ , then find the cost of $296$ chairs.

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Solution

Cost of one chair $=$ Rs. $678$
$\Rightarrow$ cost of $296$ chairs $=$ Rs. $678 \times 296$ (unitary method)
$=$ Rs. $678 \times (300 - 4) = 203400 - 2712$ $=$ Rs. $200688$ .

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