Question

find wrong number in this series : 7, 9, 15, 57, ? ​

Answer 1

Answer:

57

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

check the difference between each numbers

7 9 15 57

2 6 42

2 = > 1 × 2

6 = > 2 × 3

likewise

42 = > 6 × 7

so , the next will be

7 × 8 = 56

57 + 56 = 103

HENCE 103 IS THE ANSWER