Which smallest number must be added to 710 so that the sum is a perfect cube ?
A. 11
B. 19
C. 21
D. 29
Answer: Option B
Solution (By Examveda Team)
$$\eqalign{ & {\text{Required number to be added}} \cr & = {9^3} - 710 \cr & = 729 - 710 \cr & = 19 \cr} $$This Question Belongs to Arithmetic Ability >> Square Root And Cube Root
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