If the average marks of three batches of 30, 50 and 70 stude

Please wait...
THANKU FOR BEING A PART OF OUR JOURNEY TO BRING "REVOLUTION IN EDUCATION"
We Genuinely APPRECIATE your PATIENCE

Coming Soon

54

M: +2.00/-0.50

If the average marks of three batches of 30, 50 and 70 students is 55, 70 and 70 respectively, then the average marks of all the students is:

[SSC CHSL 26th May 2022 Shift-2 With Answers]

A

67

B

66.50

C

69

D

68.75

...

View Full Explanation