Question

QNO16.In an A.P 20, 15, 10, 5………………its 10th term will be a)250 b)255 c) - 25 d)None of these​

Answer 1

Answer:

C answers

very important easy

Step-by-step explanation:

ok

Answer 2

Answer:

c) -25

Step-by-step explanation:

a(n)= a+(n-1)d

n= 10

a= 20

d= (-5)

a(10) = 20+{(10-1)(-5)}

=20+ (-45)

= -25 (Ans)