What should come in the place of question marks (?) in the following questions ?
30% of 1225 - 64% of 555 = ?
Expression : 30% of 1225 - 64% of 555 = ?
= $$(\frac{30}{100} \times 1225) - (\frac{64}{100} \times 555)$$
= $$367.5 - 355.2 = 12.3$$
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