Question

1question. Ashish studied for 4 hours,5hours and 3 hours on three consecutive days. how many hours does he study daily on an average?can you say that Ashish studied for 4 hours on average?
2question.the average hight of 30 students is 150cm. it was detected later that the hight of one student was 165cm but was wrongly noted as 135cm in
stead for the computation of mean.find the correct mean.​

Answer 1

Step-by-step explanation:

just do l.c.m of them then you will get your answer