Which Indian cricketer is known as "Brown Bradman"?
Which of the countries has had a prime minister whose name featured the name of his country?
Chif manister of bihar
Which Chief of Staff of the US Army retired in 1937 but returned to lead the defence of the Philippines.................
Which land mass is nearest to the island of Madagascar?
What are plant use ful use
What is a cep?
In what country, with considerable mineral and coal wealth and so abundantly fertile it has been described..............
Elements of weather studied under which field of science?
LTE why RB is the smallest schedulable unit
All numerator is a series of prime number
And denominator is a series of all odd numbers
So answer is 13/9
And series will be 3 5/3 7/5 11/7 13/9 17/11
You see in all the cases you have only prime numbers are used
say your current number is a/b then next number is next prime after a/a
13 is the next prime number after 11
so missing number is 13/11
answer is 13/11
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