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NTSE Sample Paper NTSE MAT Practice Test-4

  • question_answer
    Direction for Question: There are three circles with four number outside them. While in the first two circles, a number has been filled according to a rule in the third circle the mark (?) Is given. Out of the five alternatives find a suitable Number?        

    A)  10                              

    B)  20

    C)  50                              

    D)  60

    E)  Zero

    Correct Answer: E

    Solution :

    \[17={{(7+2)}^{2}}-{{(5+3)}^{2}}\] \[69={{(9+4)}^{2}}-{{(8+2)}^{2}}\] \[?={{(4+1)}^{2}}-{{(2+3)}^{2}}=0\]


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