EduSahara™ Assignment
Name : Finding Product of Numbers Using Identities
Chapter : Expansions
Grade : ICSE Grade IX
License : Non Commercial Use
Question
1
1.
The value of
706
✕
706
is
(i)
498435
(ii)
498436
(iii)
498438
(iv)
498433
(v)
498437
Question
2
2.
The value of
80
1
3
✕
80
1
3
is
(i)
6453
4
9
(ii)
6453
4
11
(iii)
6453
2
9
(iv)
6453
2
3
(v)
6453
4
7
Question
3
3.
The value of
38
✕
38
is
(i)
1443
(ii)
1447
(iii)
1442
(iv)
1445
(v)
1444
Question
4
4.
The value of
98
2
3
✕
98
2
3
is
(i)
9735
1
3
(ii)
9735
1
7
(iii)
9735
1
9
(iv)
9734
8
9
(v)
9735
1
11
Question
5
5.
The value of
25
✕
15
is
(i)
376
(ii)
377
(iii)
375
(iv)
374
(v)
372
Question
6
6.
The value of
70
1
3
✕
69
2
3
is
(i)
4900
1
7
(ii)
4900
1
9
(iii)
4899
8
11
(iv)
4899
8
9
(v)
4899
2
3
Question
7
7.
The value of
89
✕
84
is
(i)
7478
(ii)
7473
(iii)
7476
(iv)
7475
(v)
7477
Question
8
8.
The value of
800
2
3
✕
800
3
4
is
(i)
641133
5
6
(ii)
641134
1
6
(iii)
641134
1
4
(iv)
641133
5
8
(v)
641133
1
2
Question
9
9.
The value of
48
✕
43
is
(i)
2063
(ii)
2065
(iii)
2066
(iv)
2064
(v)
2062
Question
10
10.
The value of
799
1
4
✕
799
3
4
is
(i)
639200
1
16
(ii)
639200
1
6
(iii)
639200
3
14
(iv)
639200
3
16
(v)
639200
5
16
Question
11
11.
The value of
307
✕
296
is
(i)
90872
(ii)
90871
(iii)
90875
(iv)
90869
(v)
90873
Question
12
12.
The value of
51
1
3
✕
49
1
4
is
(i)
2528
1
8
(ii)
2527
5
6
(iii)
2528
1
2
(iv)
2528
1
4
(v)
2528
1
6
Assignment Key
1) (ii)
2) (i)
3) (v)
4) (iii)
5) (iii)
6) (iv)
7) (iii)
8) (i)
9) (iv)
10) (iv)
11) (i)
12) (v)
