6th Class Mathematics Related to Competitive Exam Question Bank Logical Reasoning

  • question_answer
    If '+' denotes '-', '-' denotes \[\text{ }\!\!'\!\!\text{ }\times \text{ }\!\!'\!\!\text{ }\], \[\text{ }\!\!'\!\!\text{ }\times \text{ }\!\!'\!\!\text{ }\] denotes \[\text{ }\!\!'\!\!\text{ }\div \text{ }\!\!'\!\!\text{ }\], and \[\text{ }\!\!'\!\!\text{ }\div \text{ }\!\!'\!\!\text{ }\] denotes '+', then \[15\text{ }\text{ }3\text{ }+\text{ }10\text{ }\times \text{ }5\text{ }\div \text{ }5\text{ }=\text{ }?\]

    A)  5

    B)  22

    C)  48

    D)  52

    Correct Answer: C

    Solution :

    After replacing the symbols, the given equation becomes, \[15\times 3-10\div 5+5\] \[=15\times 3-2+5=45-2+5=48\]


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