Number of correct answers!

Tejashree Katdare

Tejashree Katdare

@tejashree-neQ3Bn • Oct 26, 2024
A student appeared for a maths exam. He was given 100 problems to solve. He tried to solve all of them correctly but some of them went wrong. Any how he scored 85.
His score was calculated by subtracting two times the number of wrong answers from the number of correct answers.
Can you tell how many problems he solved correctly?
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  • Morningdot Hablu

    Morningdot Hablu

    @morningdot-6Xuj4M • Jul 22, 2010

    Let no of wrong answer=x.
    so no of correct answer=(100-x).
    (100-x)-2x=85.
    100-85=3x.
    x=5.
    so the no of correct answer=100-5=95.
    0
  • Tejashree Katdare

    Tejashree Katdare

    @tejashree-neQ3Bn • Jul 23, 2010

    mohit007kumar00
    Let no of wrong answer=x.
    so no of correct answer=(100-x).
    (100-x)-2x=85.
    100-85=3x.
    x=5.
    so the no of correct answer=100-5=95.
    Your solution to this is correct
    0