Mathematics Number Divisibility and Algebraic Equations Quiz
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Questions and Answers

If a merchant sells an item at a 25% discount and still makes a profit of 20%, what is the profit in rupees if the marked price of the item is 2080 rupees?

  • 540
  • 360 (correct)
  • 420
  • 480
  • If A's speed is 40 km/hr and B's speed is 50 km/hr, and they start from the same point but at different times, at what distance from the point will they meet?

  • 350 km
  • 250 km (correct)
  • 200 km
  • 300 km
  • In a right triangle ABC with ∠BAC = θ, BC = 15 cm, and AC = 17 cm, what is the value of cosθ?

  • $\frac{17}{15}$
  • $\frac{8}{17}$ (correct)
  • $\frac{17}{8}$
  • $\frac{15}{17}$
  • If $12x^2 - 7x - 10 = 0$, what is the value of x?

    <p>$\frac{10}{7}$</p> Signup and view all the answers

    If $p:q = 3:4$ and $q:r = 5:7$, what is the ratio of p:r?

    <p>$15:28$</p> Signup and view all the answers

    What is the sum of all divisors of 30?

    <p>90</p> Signup and view all the answers

    If $5^{x+1} = 25$, what is the value of x?

    <p>$2$</p> Signup and view all the answers

    What is $42rac{1}{2}%$ of $1440$?

    <p>$650$</p> Signup and view all the answers

    If $2^x \times 2^{x+2} = 128$, what is the value of x?

    <p>$2$</p> Signup and view all the answers

    $rac{23}{5} imes rac{18}{19} imes rac{35}{36} = ?$

    <p>$\frac{1}{4}$</p> Signup and view all the answers

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