Subject

    Quantitative Aptitude

    Topic

    Simplification

    What should come in place of question mark (?) in the following question? 1.05% of 110 + 1.05% of 130 = ?

    ক)
    1.27
    খ)
    2.52
    গ)
    1.44
    ঘ)
    1.56
    ঙ)
    None of these

    Explanation

    Follow BODMAS rule to solve this question, as per the order given below, Step-1-Parts of an equation enclosed in 'Brackets' must be solved first, Step-2-Any mathematical 'Of' or 'Exponent' must be solved next, Step-3-Next, the parts of the equation that contain 'Division' and 'Multiplication' are calculated, Step-4-Last but not least, the parts of the equation that contain 'Addition' and 'Subtraction' should be calculated. Given expression, 1.05% of 110 + 1.05% of 130 = ? ⇒?=1.05100×110+1.05100×130  ⇒?=1.05100×(110+130)\begin{array}{l} \Rightarrow ? = \frac{{1.05}}{{100}} \times 110 + \frac{{1.05}}{{100}} \times 130\;\\ \Rightarrow ? = \frac{{1.05}}{{100}} \times \left( {110 + 130} \right) \end{array} ⇒ ? = 2.52

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