Question

Each question carry 1 mark
For an A.P S10 =195 and d = 3
then a=​

Answer 1

Answer:

s10=195

or, 10/2[a+(10-1)3]=195

or, 5(a+9×3)=195

or, a+27=195/5

or, a+27=39

or, a=39-27

or, a=12