EduSahara™ Assignment
Name : Sum of Consecutive Numbers
Chapter : Playing with Numbers
Grade : SSC Grade VIII
License : Non Commercial Use
Question
1
1.
Find the sum of all natural numbers between 1 and 100 which are multiples of 3?
(i)
1686
(ii)
1682
(iii)
1684
(iv)
1683
(v)
1681
Question
2
2.
Find the sum of all natural numbers between 100 and 200 which are multiples of 8?
(i)
1776
(ii)
1778
(iii)
1774
(iv)
1777
(v)
1775
Question
3
3.
The sum of first n natural number is
(i)
(
n
−
1
)
(
n
+
1
)
2
(ii)
(
n
)
(
n
−
1
)
2
(iii)
n
2
(
n
+
1
)
2
4
(iv)
(
n
)
(
n
+
1
)
2
(v)
(
n
)
(
n
+
1
)
(
2
n
+
1
)
6
Question
4
4.
Find the sum of all natural numbers between 1 and 100 which are multiples of 9?
(i)
591
(ii)
593
(iii)
596
(iv)
595
(v)
594
Question
5
5.
Find the sum of all natural numbers between 100 and 200 which are multiples of 3?
(i)
4947
(ii)
4950
(iii)
4953
(iv)
4951
(v)
4949
Question
6
6.
Find the sum of all natural numbers between 1 and 100 which are multiples of 9?
(i)
592
(ii)
593
(iii)
597
(iv)
595
(v)
594
Question
7
7.
Find the sum of all natural numbers between 100 and 200 which are multiples of 7?
(i)
2107
(ii)
2108
(iii)
2104
(iv)
2106
(v)
2110
Assignment Key
1) (iv)
2) (i)
3) (iv)
4) (v)
5) (ii)
6) (v)
7) (i)
