Question

What approximate value should come in place of the question-mark(?) in the following question (You are not expected to calculate the exact value).

54.8% of 800 - √(?) = 33.98% of 400 – 12.42% of 300

A 67600 Correct Answer Incorrect Answer
B 56700 Correct Answer Incorrect Answer
C 56000 Correct Answer Incorrect Answer
D 240 Correct Answer Incorrect Answer
E 115600 Correct Answer Incorrect Answer

Solution

55/100 × 800 - √(?)  = 34/100 × 400 - 12/100 × 300 440 - √(?) = 136 – 36 √(?) = 440 – 100 √(?) = 340 ? = 3402 = 115600

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