2. Sample Papers
  3. SSC

SSC Sample Paper SSC CGL - Sample Paper-17

  • question_answer
    Mean of 10 numbers is 30. Leter on, it was observed that numbers 15, 23 are wrongly taken as 51, 32. The correct mean is

    A) 25.5                 

    B) 32      

    C) 30                                

    D) 34.5

    Correct Answer: A

    Solution :

    Difference \[=15+23-51-32=-45\] \[\therefore \] Correct average \[=30-\frac{45}{10}=25.5\] 


You need to login to perform this action.
You will be redirected in 3 sec spinner