Insert the missing number in the following: 2/3, 4/7, ? , 11/21, 16/31 (A) 10/8 (B) 6/10 (C) 5/10 (D) 7/13

Insert the missing number in the following:

2/3, 4/7, ? , 11/21, 16/31

(A) 10/8 (B) 6/10

(C) 5/10 (D) 7/13
by

1 Answer

Answer :

Answer: D

2/3 = 2/2*2-1,

4/7 = 4/4 *2-1,

11/21 = 11/11*2-1, and

16/31 = 16/16*2-1;

Therefore 7/13= 7/7*2-1.
by

Related questions

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