Ques 1: 3+9+20+37+59+87+infinity
Find the nth term and the sum of n terms
Ques 2: 4+9+15+23+36+63+131+321+infinity
Find the nth term and the sum of n terms
Ques 3: In a centre test, there are p questions. Atleast 2 to the power of p-r students write wrong answers. Total number of wrong answers are 2047. Find p