Question

Plz plz plz plz help. I will mark as brainlist.
Ramesh borrowed rupees 40000 and promised to pay in 12 monthly installments in the following way 4200 , 4250 , 4300..... find the amount of 11th installment.

Answer 1

they are in AP
d=50
a=4200
n=12
tn=a+(n-1)d
t11=4200+10×50
=4200+500
4700