If the variance of the terms in an increasing A.P. b_{1}, b_{2}, b_{3}, ........ , b_{11} is 90, then the common difference of this A.P. is

Numerical Value Type

If you are commenting for the first time, please read the guidelines.

If you are answering for the first time, please read the guidelines.

1,101 questions

731 answers

345 comments

58 users