Question

10,40,140,420,1050,? ,solve the number series ?​

Answer 1

Answer:

10,40,140,420,1050

Step-by-step explanation:

30,70,80,600this is not a question

Answer 2

Answer:

The next number of the series is 2100.

Step-by-step explanation:

Given:

10,40,140,420,1050,? ,solve the number series ?

Solution :

$\frac{40}{10}$ = 4

$\frac{140}{40}$ = 3.5

$\frac{420}{140}$= 3

$\frac{1050}{420}$ = 2.5

Similarly $\frac{1050}{x}$ = 2

x = 1050 $\times$ 2 = 2100

Then, the next number is 2100.

Result:

The next number of the series is 2100.

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