Average | Aptitude Question and answers

SBI-PO-main

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:

A. 53.33

B. 54.68

C. 55

D. None of these

Solutions:

Required average      = (55 x 50 + 60 x 55 + 45 x 60 /  55 + 60 + 45)  =  2750 + 3300 + 2700 / 160  = 8750/160 = 54.68

Answer: B

 

 

 

NICL AO

READ  Average | Aptitude Question and answers

Leave a Reply

Your email address will not be published. Required fields are marked *

2 + 1 =


© Copyright 2017 - All Rights Reserved | DesignzRush (OPC) Pvt. Ltd.
Complete Solution for Banking Exams in India
Inline
Inline