Subject

    Quantitative Aptitude

    Topic

    Algebra

    In the following question, one or two equation(s) is/are given. You have to solve both the equations and find the relation between ‘p’ and ‘q’ and mark correct answer. 1.  135p−22p=23p\frac{{135}}{{\sqrt p }} - 22\sqrt p = 23\sqrt p 2.  2×324÷q108−2q=0\frac{{2 \times 324 \div \sqrt q }}{{108}} - 2\sqrt q = 0

    ক)
    p > q
    খ)
    p ≥ q
    গ)
    p < q
    ঘ)
    p ≤ q
    ঙ)
    p = q or the relation cannot be determined

    Explanation

    We will solve both the equations separately. Equation I: 135p−22p=23p\frac{{135}}{{\sqrt p }} - 22\sqrt p = 23\sqrt p Multiplying both sides by √p, we get ⇒ 135 – 22p = 23p ⇒ 23p + 22p = 135 ⇒ 45p = 135 ⇒ p = 135/45 ⇒ p = 3 Equation II: 2×324÷q108−2q=0⇒2×324108×q=2q\begin{array}{l} \frac{{2 \times 324 \div \sqrt q }}{{108}} - 2\sqrt q = 0\\ \Rightarrow \frac{{2 \times 324}}{{108 \times \sqrt q }} = 2\sqrt q \end{array} Multiplying both sides by √q, we get ⇒q=  2×324108×2\Rightarrow q = \;\frac{{2 \times 324}}{{108 \times 2}} ⇒ q = 3 Comparing the values of p and q, we notice that p = q

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