It is 52
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The answer is 52 . It is 26 x 2 = 52 !! You can check and learn!!Understand?
48, it should be 58: 1- double it=2. 5- double it=10. 13- double it=26. 29- double it=58.
The radius must be increased by 26%. (rounded)
Well, isn't that a happy little question! If you take the number 13 and give it a gentle little hug, you'll find that its double is 26. Just like painting a beautiful landscape, sometimes all we need is a little patience and a gentle touch to see the answer right in front of us.
To double the number 14 means to multiply it by 2. Therefore, double 14 is equal to 28. This can be calculated by simply adding 14 + 14, or by multiplying 14 by 2.
each pair is a double i.e. 14 and 28, 18 and 36, 26 and 52 and so on. Each successive pair is increased by double the last increase. So looking at every other number, 14+4=18 18+8=26 26+16=42 so the next pair would be 42+32=74 and its double 148 Another way to think of it is the first number in successive pair increases by 4 then 8 then 16 then 32. The second number in a pair increases by 8 then 16 then 32.