Question

find the 31st term of an A.P. whose 10th term is 38 and 16th term is 74​

Answer 1

Answer:

164

Step-by-step explanation:

A10 = a + 9d

a + 9d = 38

A16 = a + 15d

a + 15d = 74

On solving both the equations; we get:

d = 6

a = -16

An = a+(n-1)d

A31 = -16 + (30*6)

A31 = -16 + 180

A31 = 164

Answer 2

Answer:

164 is the 31 st answer

Step-by-step explanation:

see the above attachment for fully solved solution hope it helps