Question

5. Which of the following are cubes of odd natural numbers?
(a) 6,859 (b) 4,913 (C) 10,648 (d) 2,197 (e) 2,744 (f) 35,937
6. Which of the following are perfect cubes?
(a) 1,728 (b) 3,840 (c)
12,167 (d) 11,109 (e) 85,184 (f) 20,48,383
7. Which of the following are cubes of even natural numbers?
(a) 13,824 (b) 42,875 (C) 8,000 (d) 6,36,056 (e) 9,261 (f) 32,768
8. Write the cubes of 7 natural numbers which are of the form 3n + 1 i.e., 4, 7, 10, 13, ...) and verify
that “The cube of a natural number of the form 3n + 1 when divided by 3 leaves remainder 1”.​

Answer 1

Answer:

1. C -Part
2. A -Part
3. D -Part
4. B -part

Answer 2

5- b

6-f

7-d

8- 4

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