Question

on the first day of her training a girl managed to dive to a depth of 3 metres from second day on word he managed to dive 2 metres duper then the previous day.how far did she dive on the sixth day?​

Answer 1

first day. = 3

second day = 5

third day. = 7

sixth day = 3 + 5x2 = 13 metre

Answer 2

for first day =3

for 2nd day=3+2

=5

for 3rd day =5+2

=7

so, till the sixth day=3,5,7,9........

so, ATQ

A6=n+(n-1)D

A6=3+(5)2

=3+10

=13