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The following number series follows a particular pattern. One of the numbers in the given series is wrong. Identify that wrong number:
3 15 63 129 1023 4095
3 15 63 129 1023 4095
- a)15
- b)63
- c)129
- d)4095
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
The following number series follows a particular pattern. One of the n...
Pattern in the given number series:
Each subsequent number is obtained by multiplying the previous number by 4 and then subtracting 3.
Using this pattern, we can calculate the next numbers in the series as follows:
3 x 4 - 3 = 9
15 x 4 - 3 = 57
63 x 4 - 3 = 253
129 x 4 - 3 = 513
However, the given number series does not follow this pattern for the number 129.
If we apply the pattern to 63, we get:
63 x 4 - 3 = 249
So, the wrong number in the given series is 129.
Therefore, the correct answer is option 'C'.
Each subsequent number is obtained by multiplying the previous number by 4 and then subtracting 3.
Using this pattern, we can calculate the next numbers in the series as follows:
3 x 4 - 3 = 9
15 x 4 - 3 = 57
63 x 4 - 3 = 253
129 x 4 - 3 = 513
However, the given number series does not follow this pattern for the number 129.
If we apply the pattern to 63, we get:
63 x 4 - 3 = 249
So, the wrong number in the given series is 129.
Therefore, the correct answer is option 'C'.
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Community Answer
The following number series follows a particular pattern. One of the n...
3, 15, 63, 129, 1023, 4095
3 = 22 − 1, 15 = 24 − 1, 63 = 26 − 1, 129 = 27 + 1
1023 = 210 − 1, 4095 = 212 − 1
So wrong term is 129
3 = 22 − 1, 15 = 24 − 1, 63 = 26 − 1, 129 = 27 + 1
1023 = 210 − 1, 4095 = 212 − 1
So wrong term is 129
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The following number series follows a particular pattern. One of the numbers in the given series is wrong. Identify that wrong number:3 15 63 129 1023 4095a)15b)63c)129d)4095Correct answer is option 'C'. Can you explain this answer?
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