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If + means −, − means ×, × means ÷, and ÷ means +, then what will come in place of the question mark (?) in the following equation? 65×13−7÷24+9=?
46
48
50
40
50
Replace the operators first, then apply BODMAS (Bracket, Of, Division, Multiplication, Addition, Subtraction) strictly to solve the expression.
Replace the operators first, then apply BODMAS (Bracket, Of, Division, Multiplication, Addition, Subtraction) strictly to solve the expression.
Symbol Replacement
Given rules: + means -, - means ×, × means ÷, ÷ means +. The expression 65 × 13 - 7 ÷ 24 + 9 becomes: 65 ÷ 13 × 7 + 24 - 9.
BODMAS Calculation
Divide: 65 ÷ 13 = 5. Now multiply: 5 × 7 = 35. Add: 35 + 24 = 59. Subtract: 59 - 9 = 50.
A: 46 is incorrect; result is 50. B: 48 is incorrect; result is 50. D: 40 is incorrect; result is 50.
C is correct because applying the transformed operators (65 ÷ 13 × 7 + 24 - 9) following BODMAS yields exactly 50.
Always convert the entire expression first before starting the calculation to avoid errors in operational sequence.
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