Which of the following numbers will replace the question mark (?) in the given series?
3, 9, 25, 53, 157,?
A371
B317
C307
D300
A371
B317
C307
D300
Related Questions:
In the given number series, how many 4s are preceded by 7 but not followed by 8?
3 4 5 1 4 3 1 4 8 5 4 3 3 4 9 8 4 1 2 3 4 1 3 6