Question

i want class 10 AP and trignometry very hots questions

Answer 1

1)In an AP if sum of 5 terms + sum of 7 terms =167 and sum of 10 terns =235 then find the ap.. 2)There are 50 houses in a row numbered from 1 to 50. Show that there exists a number x such that the sum of numbers preceeding x is equal to the sum of numbers succeeding x.