7th Class Mathematics Related to Competitive Exam Question Bank Mathematical Operations

  • question_answer
    DIRECTIONS: In each of the following question, different alphabets stand for various symbols as indicated below: Addition: O                  Subtraction: M Multiplication: A          Division: Q Equal to: X                   Greater than: Y Less than: Z Out of the four alternatives given in these question, only one is correct.

    A) 1 O 1 Q 1 M 1 Y 3 Q 1

    B) 2 Q 1 O 20 A 1 Z 6 A 4

    C) 3 O 2 O 10 Q 2 X 10 A 2

    D) 5 Q 5 A 5 O 5 Y 6 A 2

    Correct Answer: B

    Solution :

        Using the proper notations (b), we get the statement as \[2\div 1+20\times 1\text{}\,6\times 4\] or \[22<24,\] which is true.


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