1.

Find the cube root of 195112?1. 382. 583. 784. 48

Answer» Correct Answer - Option 2 : 58

Given:

The given number = 195112

Concept:

Calculation skills trick

Calculation:

Step(1):

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

At the unit place, we have 2.

Step(2):

Now consider the cube table, the cube of which number has 2 as at the unit digit place.

We see, 8 x 8 x 8 = 512.

Step(3):

That means the cube root of 195112 will have 8 at the unit place.

Step(4):

Now ignore the last 3 digits of 195112, i.e. 112

Step(5):

Taking 195 as a reference number, we can see from the cubes table 195 lies between cubes of 5 and 6.

Step(6): Here, we choose the lower number i.e. 5

∴ We get the two digit of the answer

∴ Cube root of 195112 = 58


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