CGL 22 : 01/12/2022 Shift 2


Question 1


The average of the marks of 25 students in a class, in an examination was calculated to be 19. Later, the teacher realized that the marks of two students were taken as 18 and 19 respectively, instead of 14 and 15. Find the new actual average marks of the class.

एक परीक्षा में एक कक्षा में 25 छात्रों के अंकों का औसत 19 था। बाद में, शिक्षक ने महसूस किया कि दो छात्रों के अंक 14 और 15 के बजाय गलती से क्रमशः 18 और 19 लिए गए थे। कक्षा का नया वास्‍तविक औसत अंक ज्ञात कीजिए।

Options

A

17.43

17.43

B

17.65

17.65

C

16.56

16.56

D

18.68

18.68


Solution:

Correct Answer:

D

18.68

18.68


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