Find the cube of 47?1. 1109072. 1167033. 1038234. 185193

1.	Find the cube of 47?1. 1109072. 1167033. 1038234. 185193
Answer» Correct Answer - Option 3 : 103823 Given: The given number = 47 Concept: Calculation skills trick Calculation: Step(1): Write down the cube of each of the digits in three digit format i.e. 4³ = 64 and 7³ = 343 The number obtained after this step is 64343. Step(2): Now multiply all the digit of the given number with themselves i.e. (4 × 7) = 28 Step(3): Multiply the result obtained in Step(2) by the power 3 i.e. (28 × 3) = 84 Step(4): Now multiply the result obtained in Step(3) with the given number i.e. (84 × 47) = 3948 Step(5): Add the number obtained in Step(1) with the number obtained in Step(4) keeping the unit place empty i.e. 6 4 3 4 3 3 9 4 8 _ 1 0 3 8 2 3 ∴ Cube of 47 = 103823

Answer» Correct Answer - Option 3 : 103823

Given:

The given number = 47

Concept:

Calculation skills trick

Calculation:

Step(1):

Write down the cube of each of the digits in three digit format i.e. 4³ = 64 and 7³ = 343

The number obtained after this step is 64343.

Step(2):

Now multiply all the digit of the given number with themselves i.e. (4 × 7) = 28

Step(3):

Multiply the result obtained in Step(2) by the power 3 i.e. (28 × 3) = 84

Step(4):

Now multiply the result obtained in Step(3) with the given number i.e. (84 × 47) = 3948

Step(5):

Add the number obtained in Step(1) with the number obtained in Step(4) keeping the unit place empty i.e.

6 4 3 4 3

3 9 4 8 _

1 0 3 8 2 3

∴ Cube of 47 = 103823

Discussion

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