Q1 if a times the a th term of an AP is equal to b times the bth term, find the sum of (a+b) th term?
Q2 Find the value of the expression 1-4+5-8+...................to 50 terms.
Q3 Find the sum of the integers between 1 and 200 that are multiples of 7
Q4 Find the sum of all numbers lying between 100 and 200.
Q5 If a,b,c are in GP then loga, logb,logc are in