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JEE Main & Advanced JEE Main Paper (Held On 10-Jan-2019 Morning)

  • question_answer
    The sum of all two digit positive numbers which when divided by 7 yield 2 or 5 as remainder is- [JEE Main Online Paper (Held On 10-Jan-2019 Morning]

    A) 1356                            

    B) 1256

    C) 1365    

    D)                  1465

    Correct Answer: A

    Solution :

    Remainder is \[2\text{ }\left\{ 16,\text{ }23,\text{ }......,\text{ }93 \right\}12\] terms Remainder is \[5\left\{ 12,\text{ }19,\text{ }.......\text{ }96 \right\}\text{ }13\text{ terms }\] Sum \[=6(16+93)+\frac{13}{2}(12+96)\] = 1356


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