MBA Exam

123 students were aligned in a row. It is known that the average age of any three consecutive students was 20. Find the sum of ages of all students.

1) 20
2) 1230
3) 2460
4) C.B.D

Read Solution (Total 1)

sum of ages of all students = 123*20= 2460
11 years agoHelpfull: Yes(0) No(0)

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The sum of the series upto n terms will be:5*8 + 8*11+ 11*14......upto n termsPlz post a sol to this Q

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