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Aditya G
9y ago
Number Series
13 25 61 121 205 ?
a) 323
b) 326
c) 324
d) 313
5
Abhilekh Shirish Waghmare 9y ago
313
abhinandan 9y ago
12*1
12*3
12*5
12*7
12*9
Vinod singh 9y ago
313
nukala sairam 9y ago
take the difference, you will get odd multiples of 12 i.e 12, 36, 60 84 the next number will be 108+205=313
ABHISHEK KUMAR 1y ago
take double difference first 12,36,60,84 now you can clearly see the difference of is nos is 24 now add 24 in 84 you get 108 then add 108 to 205 you get your answer
