Question

Find the missing number in the following series 122, 213, 340, 509, 726, ?
Select one:
O a. 950
O b. 997
O c. 942
O d. 919​

Answer 1

Step-by-step explanation:

I hope it is useful to you.

Answer 2

Answer:

The missing number is 997 .

Step-by-step explanation:

• A series of numbers is called a number series.
• We must identify the rules that lead to the production of a number series in the questions about number series.

• Each word in the perfect cube series is a particular number's perfect cube.
• These numbers are also arranged in the form of a sequence along with the cubes that make up the series.

• You can obtain a two-stage type perfect cube series in this manner.
• There are a lot of ways that examine various techniques for locating the ideal cube series and attempt to establish a number of time-saving and accuracy-improving shortcuts and hacks.

In the given question : the pattern goes like = $5^3 - 3, 6^3-3, 7^3-3, 8^3-3, 9^3-3, 10^3-3$

That gives us :

$5^3 -3$ gives 125 -3 = 122

$6^3-3$ gives 216 -3 = 213

$7^3-3$ gives 343 -3 =340

$8^3-3$ gives 512 -3 = 509

$9^3-3$ gives 729 - 3 =726

$10^3-3$ gives 1000-3 =997

Therefore, by this calculation we can conclude that the missing number is 997.

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