What will come in place of question mark (?) in the following questions ?
55% of 860+?% of 450=581
Let the number to replace the question mark be equal to X.
So, 55% of 860+X% of 450=581
Or, X% of 450 = 581 - 0.55 * 860 = 581 - 473 = 108
So, X = 108 * 100 / 450 = 24
Hence, the correct answer is option (a)
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