Question

What will come in the place of question mark (?) in the given expression?

25% of 400 + 3 × 102 = ?2 

A 50 Correct Answer Incorrect Answer
B 60 Correct Answer Incorrect Answer
C 20 Correct Answer Incorrect Answer
D 10 Correct Answer Incorrect Answer

Solution

ATQ, 25% of 400 + 3 × 102 = ?2 100 + 300 = ?2 ?2 = 400 ? = ±20

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