How many natural numbers between 23 and 137 are divisible by 7?
How many natural numbers between 23 and 137 are divisible by 7?
Answer/Solution
16
Steps/Work
Solution : These numbers are 28, 35, 42,…., 133.
This is in A.P. in which a= 28, d=(35-28)=7 and L=133.
Let the number of there terms be n. then, Tn=133
a+(n-1)d=133 by solving this we will get n=16.
Answer C
This is in A.P. in which a= 28, d=(35-28)=7 and L=133.
Let the number of there terms be n. then, Tn=133
a+(n-1)d=133 by solving this we will get n=16.
Answer C