Question

Which two signs should we interchange inorder to make the given equation true?

36 × 5 - 84 ÷ 4 + 50 = 151

A ÷ and × Correct Answer Incorrect Answer
B × and - Correct Answer Incorrect Answer
C + and - Correct Answer Incorrect Answer
D ÷ and + Correct Answer Incorrect Answer

Solution

If we interchange (+ and - ) then equation become correct: 36 × 5 - 84 ÷ 4 + 50 = 151 36 × 5 + 84 ÷ 4 - 50 = 151 180 + 21 - 50 = 151 201 - 50 = 151 151 = 151

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