Please say this please I beg you please say fast......
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Answer:
51
Step-by-step explanation:
3, 7, 11,.....
1, 6, 11, ......
Common difference of first A. P is '4'
And of second A. P is '5'
Which means after the first common term they will have a common term of difference '20' which is the lcm of 4, 5.
Now, given their first common term is 11. Next common term will be 31. Now the third common term will be '51'.
[Common terms of both A. P s -- 11, 31, 51, 71, 91 etc]
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