S.chand books class 8 maths solution chapter 4 Cube and Cube Roots exercise 4 B

EXERCISE 4 (B)

Number	Cube	Cube Root
1	1	1.000
2	8	1.260
3	27	1.442
4	64	1.587
5	125	1.710
6	216	1.817
7	343	1.913
8	512	2.000
9	729	2.080
10	1000	2.154
11	1331	2.224
12	1728	2.289
13	2197	2.351
14	2744	2.410
15	3375	2.466
16	4096	2.520
17	4913	2.571
18	5832	2.621
19	6859	2.668
20	8000	2.714
21	9261	2.759
22	10648	2.802
23	12167	2.844
24	13824	2.884
25	15625	2.924
26	17576	2.962
27	19683	3.000
28	21952	3.037
29	24389	3.072
30	27000	3.107
31	29791	3.141
32	32768	3.175
33	35937	3.208
34	39304	3.240
35	42875	3.271
36	46656	3.302
37	50653	3.332
38	54872	3.362
39	59319	3.391
40	64000	3.420
41	68921	3.448
42	74088	3.476
43	79507	3.503
44	85184	3.530
45	91125	3.557
46	97336	3.583
47	103823	3.609
48	110592	3.634
49	117649	3.659
50	125000	3.684
51	132651	3.708
52	140608	3.733
53	148877	3.756
54	157464	3.780
55	166375	3.803
56	175616	3.826
57	185193	3.849
58	195112	3.871
59	205379	3.893
60	216000	3.915
61	226981	3.936
62	238328	3.958
63	250047	3.979
64	262144	4.000
65	274625	4.021
66	287496	4.041
67	300763	4.062
68	314432	4.082
69	328509	4.102
70	343000	4.121
71	357911	4.141
72	373248	4.160
73	389017	4.179
74	405224	4.198
75	421875	4.217
76	438976	4.236
77	456533	4.254
78	474552	4.273
79	493039	4.291
80	512000	4.309
81	531441	4.327
82	551368	4.344
83	571787	4.362
84	592704	4.380
85	614125	4.397
86	636056	4.414
87	658503	4.431
88	681472	4.448
89	704969	4.465
90	729000	4.481
91	753571	4.498
92	778688	4.514
93	804357	4.531
94	830584	4.547
95	857375	4.563
96	884736	4.579
97	912673	4.595
98	941192	4.610
99	970299	4.626
100	1000000	4.642

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Q1 | Ex-4B | Class 8 | Cube and Cube roots | S.Chand | Composite Mathematics | myhelper

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Question 1

Find the cube roots of the following numbers using table.

(i) 28

(ii) 61

(iii) 83

(iv) 350

(v) 570

(vi) 960

(vii) 4.3

(viii) 6600

(ix) 9.4

(x) 6.9

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Q2 | Ex-4B | Class 8 | Cube and Cube roots | S.Chand | Composite Mathematics | myhelper

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Question 2

Find the cube roots of

(i) 76.25

(ii) 37.62

(iii) 458

(iv) 732