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
61
✕
61
is
(i)
3721
(ii)
3724
(iii)
3720
(iv)
3722
(v)
3718
Question
2
2.
The value of
800
1
2
✕
800
1
2
is
(i)
640800
3
4
(ii)
640800
1
6
(iii)
640799
3
4
(iv)
640800
1
4
(v)
640800
1
2
Question
3
3.
The value of
55
✕
55
is
(i)
3028
(ii)
3024
(iii)
3026
(iv)
3023
(v)
3025
Question
4
4.
The value of
48
2
3
✕
48
2
3
is
(i)
2368
4
7
(ii)
2368
2
9
(iii)
2368
4
11
(iv)
2368
2
3
(v)
2368
4
9
Question
5
5.
The value of
67
✕
53
is
(i)
3548
(ii)
3553
(iii)
3550
(iv)
3551
(v)
3552
Question
6
6.
The value of
200
1
4
✕
199
3
4
is
(i)
40000
1
14
(ii)
39999
5
6
(iii)
39999
15
16
(iv)
40000
1
16
(v)
39999
13
16
Question
7
7.
The value of
72
✕
79
is
(i)
5689
(ii)
5687
(iii)
5685
(iv)
5691
(v)
5688
Question
8
8.
The value of
100
1
2
✕
100
3
4
is
(i)
10125
3
8
(ii)
10125
3
10
(iii)
10125
1
8
(iv)
10125
1
2
(v)
10125
5
8
Question
9
9.
The value of
72
✕
76
is
(i)
5474
(ii)
5472
(iii)
5470
(iv)
5473
(v)
5471
Question
10
10.
The value of
799
1
2
✕
799
1
3
is
(i)
639068
(ii)
639067
(iii)
639069
(iv)
639066
(v)
639065
Question
11
11.
The value of
29
✕
18
is
(i)
525
(ii)
522
(iii)
521
(iv)
523
(v)
519
Question
12
12.
The value of
600
3
4
✕
599
1
4
is
(i)
359999
5
16
(ii)
359999
7
16
(iii)
359999
7
18
(iv)
359999
1
2
(v)
359999
9
16
Question
13
13.
Evaluate :
975
2
−
25
2
(i)
950025
(ii)
9500000
(iii)
950975
(iv)
950000
(v)
95000
Question
14
14.
Find
508
3
(i)
131096502
(ii)
131096512
(iii)
131096532
(iv)
131096522
(v)
131096492
Question
15
15.
Find
596
3
(i)
211708756
(ii)
211708736
(iii)
211708726
(iv)
211708716
(v)
211708746
Question
16
16.
Find the value of
50
3
+
15
3
−
65
3
(i)
27000
(ii)
(-146250)
(iii)
(-1000000)
(iv)
(-27000)
(v)
1000000
Question
17
17.
Find the value of
3
3
+
3.4
3
−
6.4
3
(i)
-216
(ii)
216
(iii)
-314.432
(iv)
314.432
(v)
-195.84
Assignment Key
1) (i)
2) (iv)
3) (v)
4) (v)
5) (iv)
6) (iii)
7) (v)
8) (i)
9) (ii)
10) (ii)
11) (ii)
12) (ii)
13) (iv)
14) (ii)
15) (ii)
16) (ii)
17) (v)
