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
85
✕
85
is
(i)
7224
(ii)
7222
(iii)
7226
(iv)
7227
(v)
7225
Question
2
2.
The value of
300
1
2
✕
300
1
2
is
(i)
90300
1
4
(ii)
90300
1
6
(iii)
90299
3
4
(iv)
90300
1
2
(v)
90300
3
4
Question
3
3.
The value of
92
✕
92
is
(i)
8463
(ii)
8467
(iii)
8461
(iv)
8465
(v)
8464
Question
4
4.
The value of
599
1
2
✕
599
1
2
is
(i)
359400
1
6
(ii)
359400
1
4
(iii)
359400
3
4
(iv)
359400
1
2
(v)
359399
3
4
Question
5
5.
The value of
809
✕
791
is
(i)
639920
(ii)
639919
(iii)
639916
(iv)
639921
(v)
639918
Question
6
6.
The value of
30
1
4
✕
29
3
4
is
(i)
900
1
16
(ii)
900
1
14
(iii)
899
5
6
(iv)
899
13
16
(v)
899
15
16
Question
7
7.
The value of
18
✕
11
is
(i)
199
(ii)
196
(iii)
201
(iv)
198
(v)
197
Question
8
8.
The value of
30
3
4
✕
31
1
3
is
(i)
962
1
2
(ii)
964
1
2
(iii)
963
1
2
(iv)
964
(v)
963
1
4
Question
9
9.
The value of
26
✕
26
is
(i)
677
(ii)
675
(iii)
676
(iv)
678
(v)
674
Question
10
10.
The value of
899
1
2
✕
899
1
4
is
(i)
808875
1
2
(ii)
808875
5
8
(iii)
808875
1
8
(iv)
808875
3
8
(v)
808875
3
10
Question
11
11.
The value of
53
✕
45
is
(i)
2385
(ii)
2386
(iii)
2383
(iv)
2384
(v)
2387
Question
12
12.
The value of
201
1
3
✕
198
2
3
is
(i)
39998
2
11
(ii)
39998
2
9
(iii)
39998
2
7
(iv)
39998
4
9
(v)
39998
Question
13
13.
Evaluate :
975
2
−
25
2
(i)
9500000
(ii)
950975
(iii)
95000
(iv)
950025
(v)
950000
Question
14
14.
Find
205
3
(i)
8615145
(ii)
8615135
(iii)
8615115
(iv)
8615105
(v)
8615125
Question
15
15.
Find
795
3
(i)
502459895
(ii)
502459865
(iii)
502459855
(iv)
502459875
(v)
502459885
Question
16
16.
Find the value of
20
3
+
15
3
−
35
3
(i)
(-64000)
(ii)
64000
(iii)
(-27000)
(iv)
27000
(v)
(-31500)
Question
17
17.
Find the value of
3.2
3
+
9.6
3
−
12.8
3
(i)
7077.888
(ii)
-7077.888
(iii)
262.144
(iv)
-1179.648
(v)
-262.144
Assignment Key
1) (v)
2) (i)
3) (v)
4) (ii)
5) (ii)
6) (v)
7) (iv)
8) (iii)
9) (iii)
10) (iv)
11) (i)
12) (ii)
13) (v)
14) (v)
15) (iv)
16) (v)
17) (iv)
