If the sum of first term 14 term of an Ap is 1050 and its first term is 10 find the 20th term

If the sum of first term 14 term of an Ap is 1050 and its first term i

1.	If the sum of first term 14 term of an Ap is 1050 and its first term is 10 find the 20th term
Answer» A14=1050=a+13d=1050---ba=10from eqn b ,we get10+13d=105013d=1040d=80a+19d=?10+19*80=10+1170=1180