Question

many
6 Between 1 and 100 how man
prince
numbers are there containing
5 as the last digit​

Answer 1

Step-by-step explanation:

here common difference is 5,the first no containing 5 digit is=5,last term is 95.so

=a+n-1*d=Alast term

=5+n-1*5=95

=5+5n-5=95

=5n=95

=n=19

hence the number of term have 5 last digit is19

Answer 2

Answer:

10

Step-by-step explanation:

a=5,d=10

tñ=95

a+(n-1)d =95

5+(n-1)×10 = 95

(n-1)×10 = 95-5

= 90

(n-1) = 90/10

9

n= 9+1

10

thus there are 10 no. having 5 as last digit