Mathematics
Find the sum of the following APs : (i) 2, 7, 12,........ to 10 terms. (ii) -37, -33, -29, ....... to 12 terms. (iii) 0.6, 1.7, 2.8, ........, to 100 terms. (iv) ......, to 11 terms.
Related Questions
Subba Rao started work in 1995 at an annual salary of ₹5000 and received an increment of ₹200 each year. In which year did his income reach ₹7000?
Ramkali saved ₹5 in the first week of a year and then increased her weekly savings by ₹1.75. If in the nth week, her weekly savings become ₹20.75, find n.
In an A.P., given a = 5, d = 3, an = 50, find n and Sn.