Question

Which one of the numbers does not belong in the following series? how?
1 - 2 - 5 - 10 - 13 - 26 - 29 - 48
(a) 1
(b) 5
(c) 26
(d) 29
​(e) 48

Answer 1

hey mate,

here is your answer,

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Answer : 48

The series is simple...

Start from 1.

Now 2*1=2.

And 2*1+3=5.

And then repeat this process for every second number.

Now repeat the process for 5.

5*2=10.

5*2+3=13.

Similarly for 13

13*2=26

26+3=29

Now following the trend,

we should have next number as

29*2=58 instead of 48.

SO 48 is misplaced and it should be replaced with 58,61 and so on.

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hope this helps you.

mark as brainliest.

:)

Answer 2

Answer:

The correct option is ​(e) $48$

Explanation:

Begin with number $1$

Now $1*2=2$

And $2+3=5$

Then repeat the process for each subsequent number.

Rep for a total of $5$ times.

In the same way, $13$

$13*2=2626+3=29$

Following the trend, the next number should be as follows:

$29*2=58$ instead of $48$

$29*2≠48$

As a result, instead of $48$ the number should have been $58$

The series proceeds like this: first twice the number, then add $3$

Repeat.

Because of this, $1*2=2, 2+3=5, 5*2=10, 10+3=13, 13*2=26, 26+3=29$ but $29*2≠48$

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