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NTSE Sample Paper NTSE SAT Practice Test-15

  • question_answer
    If the side of this square is increased by 5 cm and the area increases by 165\[c{{m}^{2}}\], the side of the square is

    A) 25                                

    B) 20

    C) 15                                

    D) 14

    Correct Answer: D

    Solution :

    [d] Let the side be x \[\Rightarrow {{\left( x+5 \right)}^{2}}-{{x}^{2}}=165\text{ }or\text{ }x=14.\]


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