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JEE Main Test 1...

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  • Question 1
    4 / -1

    Five persons A, B, C, D and E are in queue of a shop. The probability that A and E are always together, is

  • Question 2
    4 / -1

    If n integers taken at random are multiplied together, then the probability that the last digit of the product is 1, 3, 7 or 9, is

  • Question 3
    4 / -1

    Which type of gate the following truth table represents?

  • Question 4
    4 / -1

    The radius of hydrogen atom in its ground state is 5.3 × 10-11 m. After collision with an electron it is found to have a radius of 21.2 × 10-11 m. What is the principal quantum number n of the final state of atom ?

  • Question 5
    4 / -1

    Continuous emission spectrum is produced by

  • Question 6
    4 / -1

    What is the value of

  • Question 7
    4 / -1

    Different possible thermal decomposition pathways for peroxyesters are shown below. Match each pathway from Column I and select the correct answer using the code given below the lists.

  • Question 8
    4 / -1

    In the following reaction,

  • Question 9
    4 / -1

    The compound that undergoes decarboxyliation most readily under mild condition is

  • Question 10
    4 / -1

    Area included between curves y = x2 - 3x + 2 and y = -x2 + 3x - 2 is

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