TS Police Constable Telugu Model Paper 1

Question : 28 of 200

Marks: +1, -0

మొదటి పది వర్గ సంఖ్యల సగటు ?

Solution:

{n(n+1)(2n+1)}/6

{10(11)(21)}/6={110×21}/6=385/10=38.5

Go to Question:

Prev Question

Next Question