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  • Question 1
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    The average temperature for Wednesday, Thursday and Friday was 40°C. The average for Thursday, Friday and Saturday was 41° C. If temperature on Saturday was 42° C, what was the temperature on Wednesday?

  • Question 2
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    How many different words can be formed using all the letters of the word ALLAHABAD?
    (a) When vowels occupy the even positions.
    (b) Both L do not occur together.

  • Question 3
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    A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

  • Question 4
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    \(\frac{d}{d x}\left(\sqrt{x}+\frac{1}{\sqrt{x}}\right)^{2}=\)

  • Question 5
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    In how many ways can 8 Indians and, 4 American and 4 Englishmen can be seated in a row so that all person of the same nationality sit together?

  • Question 6
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    In how many ways 4 boys and 3 girls can be seated in a row so that they are alternate.

  • Question 7
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    In how many ways 2 students can be chosen from the class of 20 students?

  • Question 8
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    If sin A−cosA = √3–1/2, then the value of sin A.cosA is

  • Question 9
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    Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P,Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?

  • Question 10
    1 / -0

    Which of the following statements is not correct?

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