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
11
✕
11
is
(i)
123
(ii)
122
(iii)
120
(iv)
121
(v)
119
Question
2
2.
The value of
400
3
4
✕
400
3
4
is
(i)
160600
9
14
(ii)
160600
1
2
(iii)
160600
9
16
(iv)
160600
11
16
(v)
160600
7
16
Question
3
3.
The value of
38
✕
38
is
(i)
1445
(ii)
1444
(iii)
1447
(iv)
1441
(v)
1443
Question
4
4.
The value of
19
2
3
✕
19
2
3
is
(i)
386
7
11
(ii)
387
(iii)
386
5
9
(iv)
386
7
9
Question
5
5.
The value of
207
✕
193
is
(i)
39948
(ii)
39950
(iii)
39954
(iv)
39951
(v)
39952
Question
6
6.
The value of
90
1
2
✕
89
1
2
is
(i)
8099
1
4
(ii)
8100
1
4
(iii)
8099
3
4
(iv)
8099
1
2
(v)
8100
1
2
Question
7
7.
The value of
205
✕
209
is
(i)
42846
(ii)
42844
(iii)
42847
(iv)
42843
(v)
42845
Question
8
8.
The value of
801
1
2
✕
801
1
3
is
(i)
642268
(ii)
642268
2
5
(iii)
642270
(iv)
642268
2
3
(v)
642269
1
3
Question
9
9.
The value of
16
✕
18
is
(i)
286
(ii)
291
(iii)
287
(iv)
288
(v)
289
Question
10
10.
The value of
499
1
2
✕
499
3
4
is
(i)
249625
1
10
(ii)
249625
3
8
(iii)
249625
1
6
(iv)
249624
7
8
(v)
249625
1
8
Question
11
11.
The value of
509
✕
498
is
(i)
253481
(ii)
253484
(iii)
253480
(iv)
253483
(v)
253482
Question
12
12.
The value of
60
1
3
✕
59
3
4
is
(i)
3605
1
10
(ii)
3604
11
12
(iii)
3605
1
12
(iv)
3604
11
14
(v)
3604
3
4
Question
13
13.
Evaluate :
995
2
−
5
2
(i)
9900000
(ii)
990005
(iii)
990000
(iv)
99000
(v)
990995
Question
14
14.
Find
607
3
(i)
223648533
(ii)
223648563
(iii)
223648543
(iv)
223648553
(v)
223648523
Question
15
15.
Find
597
3
(i)
212776193
(ii)
212776163
(iii)
212776173
(iv)
212776153
(v)
212776183
Question
16
16.
Find the value of
60
3
+
55
3
−
115
3
(i)
1728000
(ii)
(-1728000)
(iii)
(-1138500)
(iv)
1331000
(v)
(-1331000)
Question
17
17.
Find the value of
4.2
3
+
4
3
−
8.2
3
(i)
-413.28
(ii)
512
(iii)
592.704
(iv)
-592.704
(v)
-512
Assignment Key
1) (iv)
2) (iii)
3) (ii)
4) (iv)
5) (iv)
6) (iii)
7) (v)
8) (iv)
9) (iv)
10) (v)
11) (v)
12) (ii)
13) (iii)
14) (iii)
15) (iii)
16) (iii)
17) (i)
