• 0

## In an AP the first term is 22, nth term is -11 and sum to first nth terms is 66. Find n and d , the common difference. Hint= a=22 , l= -11 and n/2 (a+l) = 66

• 0

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. In ...Read more

• 0
Newbie

## A sum of Rs. 1000 is invested at 8% per annum simple interest. Calculate the interest at the end of the each year. Show that these interest form an AP. using the fact, find the interest at the end of 30 years.

• 0

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. Question ...Read more

• 0
Newbie

## A sum of Rs. 1000 is invested at 8% per annum simple interest. Calculate the interest at the end of the each year. Show that these interest form an AP. using the fact, find the interest at the end of 30 years.

• 0

This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE Board. Question ...Read more