Related Questions
Find the 15th term of the A.P. with second term 11 and common difference 9.
How many three digit numbers are divisible by 7 ?
Daya gets pocket money from his father every day. Out of the pocket money, he saves ₹ 2.75 on first day, ₹ 3.00 on second day, ₹ 3.25 on third day and so on. Find :
(i) the amount saved by Daya on 14th day
(ii) the amount saved by Daya on 30th day
(iii) the total amount saved by him in 30 days.
If the sum of first m terms of an A.P. is n and sum of first n terms of the same A.P. is m, show that sum of first (m + n) terms of it is -(m + n).