103,110,129,172,251,?
Answers
Answer:
329
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Answer:
The missing number is 378
Step-by-step explanation:
Here the pattern follows double difference series
103. 110. 129. 172. 251. ?
7. 19. 43. 79
12. 24. 36
here 7, 19, 43, 79 are the first difference between teh consecutive numbers.
and 12,24,36..... are the second difference between the consecutive numbers.
now observing the last difference series we get it is a multiple of 12 so the next number is 48.
and then 48+79 = 127
now to go for first series we have to add 127+251 , to get the missing number
=127+251
= 378
Hence, the missing number is 378.
also the pattern look like this,
103. 110. 129. 172. 251. 378
7. 19. 43. 79. 87
12. 24. 36. 48
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