Question

8.
The least positive number which is subtracted from 1369 to make it
a perfect cube is
1) 17
4) None of the
2) 38
3) 34​

Answer 1

Answer:

2) 38

(11)^3 = 1331

Therefore 1369-1331=38!!!!

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Answer 2

The least positive number which is subtracted from 1369 to make it  a perfect cube is

2) 38

Let us see some of the perfect cubes that are very close to 1369.

1000, which is the perfect cube of 10

1331, which is the perfect cube of 11

1728, which is the perfect cube of 12.

So, we can see 1331, the cube root of 11, is nearest to 1369.

We subtract 38 from 1369 to get 1331.

1369-38 = 1331

So, option (2) is the correct answer.