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Find out cube of 86?1. 1951162. 4636663. 6360564. 551366 |
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Answer» Correct Answer - Option 3 : 636056 Given: The given number = 86 Concept: Calculation skills trick Calculation: Step(1): Write down the cube of each of the digits in three digit format i.e. 83 = 512 and 63 = 216 The number obtained after this step is 512216. Step(2): Now multiply all the digit of the given number with themselves i.e. (8 × 6) = 48 Step(3): Multiply the result obtained in Step(2) by the power 3 i.e. (48 × 3) = 144 Step(4): Now multiply the result obtained in Step(3) with the given number i.e. (86 × 144) = 12384 Step(5): Add the number obtained in Step(1) with the number obtained in Step(4) keeping the unit place empty i.e. 5 1 2 2 1 6 1 2 3 8 4 _ 6 3 6 0 5 6 ∴ Cube of 86 = 636056 |
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