Question

what is the next number after 4,5,8,10,16,15,32,20....?​

Answer 1

Answer:

4,5,8,10,16,15,32,20,18

Answer 2

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The series is : 4, 5, 8, 10, 16, 15, 32, 20 ........

This series can be broken into 2 series

=> 4, 8, 16, 32 .... & 5, 10, 15, 20 .....

As we can see that in 1st sub series,

=> 4, 8(4*2), 16(8*2), 32(16*2)

Next Number = 32*2 => 64

As we can see that in 2nd sub series,

=> 5, 10(5*2), 15(5*3), 20(5*4)

Next Number = 5*5 => 25

So,

the next numbers in the series are 64 and 25.

=> 4, 5, 8, 10, 16, 15, 32, 20, 64, 25

Hope it helps!!!