General Studies · Mathematical Operations

By interchanging the numbers 3 and 15 (not digits), which of the following equations will be correct? I. 3 + 2 × 20 - 18 ÷ 15 = 49 II. 135 ÷ 3 × 4 + 15 - 16 = 90

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Both I and II
2Only II
3Only I✓
4Neither I nor II

Correct answer

Only I

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By interchanging the numbers 3 and 15 (not digits), which of the following equations will be correct? I. 3 + 2 × 20 - 18 ÷ 15 = 49 II. 135 ÷ 3 × 4 + 15 - 16 = 90

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By interchanging the numbers 3 and 15 (not digits), which of the following equations will be correct? I. 3 + 2 × 20 - 18 ÷ 15 = 49 II. 135 ÷ 3 × 4 + 15 - 16 = 90

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