Question

Pls help me!!!!!!!!!!!!!!!!!​

Answer 1

here is your answer.....

hope it helps you

Answer 2

Step-by-step explanation:

total amout to be paid =₹1000+140=₹1140

no of instalments is 10.... n=10

d=-10

a=?

sn =n/2[2a+(n-1)d

s10=10/2[2a+(10-1)-10

=5[2a+(9*-10)

1140=5(2a-90)

1140/5=2a-90

228=2a-90

228+90=2a

318=2a

a=318/2

a=159