Question

number series 474,459,429,369,249,?​

Answer 1

474= 474 - 15 = 459
459= 459 - 30 = 429
429= 429 - 60 = 369
369= 369 - 120 = 249
249 = 249 - 240 = 9
9

Answer 2

The next number is 9.

Step-by-step explanation:

Consider the provided number series.

474,459,429,369,249,?​

Observe the pattern as shown below:

474-459 = 15

459-429 = 30  (15×2)

429-369 = 60  (30×2)

369-249 = 120   (60×2)

Here we can observe that the difference of the term is the two time of the difference of previous term.

Therefore the next difference should be 2 times of 120. i.e 120×2=240.

Subtract 240 from 249.

249-240=9

Hence, the next number is 9.

#Learn more

Find the number which does not belong to the sequence 7,15,31,68,127​

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