1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard IX
Mathematics
Natural Numbers
Find how many...
Question
Find how many three digits natural numbers are divisible by
5
.
Open in App
Solution
Three digit number are
100
,
105.........995
a
=
100
(a= first term)
d
=
105
−
100
=
5
(d=common difference)
⇒
a
n
=
a
+
(
n
−
1
)
d
⇒
995
=
100
+
(
n
−
1
)
5
⇒
995
−
100
=
(
n
−
1
)
5
⇒
895
5
=
n
−
1
⇒
179
=
n
−
1
⇒
n
=
179
+
1
⇒
n
=
180
Hence,
180
three digit natural number are divisible by 5.
Suggest Corrections
0
Similar questions
Q.
How many three - digit natural numbers are divisible by 7?
Q.
How many three digit natural numbers are divisible by
6
leaving a remainder
2
.
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Introduction to Number Systems
MATHEMATICS
Watch in App
Explore more
Natural Numbers
Standard IX Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app