EduSahara™ Assignment
Name : Product of Numbers using Algebraic Identities
Chapter : Polynomials
Grade : CBSE Grade IX
License : Non Commercial Use
Question
1
1.
The value of
55
✕
55
is
(i)
3027
(ii)
3023
(iii)
3026
(iv)
3025
(v)
3024
Question
2
2.
The value of
20
1
2
✕
20
1
2
is
(i)
419
3
4
(ii)
420
1
4
(iii)
420
3
4
(iv)
420
1
6
(v)
420
1
2
Question
3
3.
The value of
76
✕
76
is
(i)
5777
(ii)
5776
(iii)
5775
(iv)
5779
(v)
5774
Question
4
4.
The value of
199
1
4
✕
199
1
4
is
(i)
39700
7
16
(ii)
39700
11
16
(iii)
39700
1
2
(iv)
39700
9
14
(v)
39700
9
16
Question
5
5.
The value of
73
✕
67
is
(i)
4894
(ii)
4891
(iii)
4890
(iv)
4892
(v)
4889
Question
6
6.
The value of
401
1
2
✕
398
1
2
is
(i)
159997
1
2
(ii)
159997
1
4
(iii)
159998
1
2
(iv)
159997
3
4
(v)
159998
1
4
Question
7
7.
The value of
805
✕
803
is
(i)
646415
(ii)
646417
(iii)
646414
(iv)
646416
(v)
646413
Question
8
8.
The value of
200
1
2
✕
200
2
3
is
(i)
40233
(ii)
40233
2
5
(iii)
40235
(iv)
40233
2
3
(v)
40234
1
3
Question
9
9.
The value of
191
✕
193
is
(i)
36863
(ii)
36865
(iii)
36862
(iv)
36864
(v)
36860
Question
10
10.
The value of
899
1
3
✕
899
1
2
is
(i)
808950
1
3
(ii)
808949
2
3
(iii)
808951
(iv)
808950
1
5
Question
11
11.
The value of
609
✕
591
is
(i)
359917
(ii)
359918
(iii)
359920
(iv)
359919
(v)
359921
Question
12
12.
The value of
30
1
3
✕
28
2
3
is
(i)
869
5
9
(ii)
869
5
11
(iii)
869
7
9
(iv)
869
5
7
(v)
869
1
3
Question
13
13.
Evaluate :
985
2
−
15
2
(i)
970015
(ii)
9700000
(iii)
970985
(iv)
970000
(v)
97000
Question
14
14.
Find
303
3
(i)
27818137
(ii)
27818147
(iii)
27818127
(iv)
27818107
(v)
27818117
Question
15
15.
Find
692
3
(i)
331373868
(ii)
331373898
(iii)
331373878
(iv)
331373908
(v)
331373888
Question
16
16.
Find the value of
50
3
+
35
3
−
85
3
(i)
1000000
(ii)
(-343000)
(iii)
(-446250)
(iv)
343000
(v)
(-1000000)
Question
17
17.
Find the value of
7.2
3
+
7.4
3
−
14.6
3
(i)
2985.984
(ii)
-2333.664
(iii)
3241.792
(iv)
-2985.984
(v)
-3241.792
Assignment Key
1) (iv)
2) (ii)
3) (ii)
4) (v)
5) (ii)
6) (iv)
7) (i)
8) (iv)
9) (i)
10) (i)
11) (iv)
12) (i)
13) (iv)
14) (iii)
15) (v)
16) (iii)
17) (ii)
