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Mathematical operation and symbol notation

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Situation Reaction Test
  1. Which of the following interchange of sing or numbers would make the given equation correct ?
    (18 ÷ 9) + 3 x 5 = 45
    1. x ÷
    2. + ÷
    3. 18 and 5
    4. 3 and 9
Correct Option: B

∵ (18 ÷ 9) + 3 x 5 = 45
⇒ (18 + 9) ÷ 3 x 5 = 45 ⇒ 27 ÷ 3 x 5 = 45


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