Question

What is the common difference 60th and 15th

Answer 1

Answer:

In an A.P;

An = a + (n-1)d

Here n=60, a=1, d=7

So,

A60 = 1+(60–1)7

A60 = 1+(59)7

A60= 1+413

A60 = 414

Hence 60th term of sequence is 414