Question

Sum of digits of the smallest number by which 1440 be multiplied so that it becomes a perfect cube, is—

Answer 1

Answer:

3×3×2×2×2×2×2×5to make a perfect cube is should be multiplied by.

Step-by-step explanation:

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Answer 2

Answer:

Correct Answer:

B) 6

1440=2×2×2×2×2×3×3×5

The pairs of 2 and 3 and 5 are incomplete to make it perfect cube.

∴ Smallest  number  to  be  multiplied  =2×3×5×5=150

∴  The  sum  of  its  digits  =1+5+0=6.

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