Question

50 sankhya ka average 30 hai yadi 35 and 40 ko chhor de to average kya hoga

Answer 1

solve the last step
plz mark as brainelest

Answer 2

Hey!!!

We have, n = 50
average = 30

We know, average = sum of all observations/n

=> sum of all observations = average x n
= 30 x 50
=1500

Here if 35 and 40 are not counted

Sum of all observations = 1500 - 75
= 1425

New Average = 1425/48
= 29.7

Hope this helps