Question

2. Which of the following numbers are perfect cubes and which are not perfect cubes?
(a) 2700
(b) 1728
(c) 8000
(d) 1331
(e) 4096
(f) 6400
(g) 4913
(h) 9000
3. Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube:
(a) 81
(b) 256
(c) 72
(d) 675
4. Find the smallest number by which each of the following numbers must be divided to obtain a perfect cube:
(a) 500
(b) 192
(c) 135
(d) 704
5. Sonia made a cuboid of sides 5 cm, 6 cm and 4 cm. How many such cuboids will she need to make a cube?
AULTIPLE CHOICE QUESTIONS O
ick(/) the correct option:
6. What is the one's digit of the cube of 23?
(c) 7
(d) 6
(a) 3
(b) 2
7. Which of the following is not a perfect cube?
1125
(d) 343​

Answer 1

Step-by-step explanation:

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