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SSC Sample Paper SSC-CGL TIER - I Sample Test Paper-7

  • question_answer
    The average of u, v, w, x, y, z is 10. What is the average of u + 10, v + 20, w + 30, x + 40, y + 50, z + 60?

    A) 30                                

    B) 35

    C) 40                                

    D) 45

    Correct Answer: D

    Solution :

    \[\frac{u+v+w+x+y+z}{6}=10\] \[\Rightarrow \,\,\,\,\,u+v+w+x+y+z=10\times 6=60\]      ? (i) Now, u +10 + v + 20 + w+ 30 + x + 40 + y + 50 + z + 60 \[u+v+w+x+y+z\]+10 + 20 + 30 + 40+ 50 + 60 Now, on putting the value of \[u+v+w+x+y+z\]from Eq. (i), = 60 + 10 + 20 + 30 + 40 + 50 + 60 = 270 Now, average of u+ 10, v+20, w+30, x+40, y+50 and z + 60 = \[\frac{270}{6}\] = 45


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