Answers

2014-05-01T23:06:56+05:30
Avg. of first n natural numbers=(n+1)/2
=>avg. of first 91 natural no.s=(91+1)/2=92/2=46..
46 is the answer.....
1 5 1
right ans.
thnx....
pls give me simple interest and compound interest ques. pls
k will try!!
Hey..this is the average of 1 and 91! Not 1 to 91....
2014-05-02T09:15:47+05:30
Average of 91 natural numbers =Σ_1to 91thewhole divided by 91

0
yup snaky
thnx..
right
:)
the avg. age of 33 students and its class teacher is 15 years. if class teacher age is 48 yearswhst would be avg age of only students?