Question

1. Find which of the following are cubes of rational numbers?
a. 64
__
126
b. 27
__
10
c. 0.001331
d.0.07

2 Which is the unit's digit of a cube of 125125125?
a. 2
b. 1
c. 3
d. 5

3. Three numbers are the ratio 1:2:3. The sum of their cubes in 98784. Find the number?
a. 14, 28, 35
b. 14, 28, 42
C. 12, 28, 42
d.14, 24, 42

4 The value of 412-392 is
b. 150
b. 152
C.168
d. 180
​

Answer 1

Answer:

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152

168

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