1.

Find out the cube root of 59319?1. 292. 393. 414. 59

Answer» Correct Answer - Option 2 : 39

Given:

The given number = 59319

Concept:

Calculation skills trick

Calculation:

Step(1):

First, we will take the digit at the unit’s place.

At the unit place, we have 9.

Step(2):

Now consider the cube table, the cube of which number has 9 as at the unit digit place.

We see, 9 x 9 x 9 = 729.

Step(3):

That means the cube root of 59319 will have 9 at the unit place.

Step(4):

Now ignore the last 3 digits of 59319, i.e. 319

Step(5):

Taking 59 as a reference number, we can see from the cubes table 59 lies between cubes of 3 and 4.

Step(6): Here, we choose the lower number i.e. 3

∴ We get the two digit of the answer

∴ Cube root of 59319 = 39  


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