Question

289, 145, 73, 37, 19, ?

(A) 10 (B) 13

(C) 12 (D) None of these​

Answer 1

Answer:

A)10

Step-by-step explanation:

As per the trend next number should be

(previous number)2 -1

eg 10*2-1=19

19*2-1=37

Answer 2

Answer:

A) 10

Step-by-step explanation:

As we double the numbers and subtract 1 from each number we will get the number