RRB JE Practice Quiz

Question 1

Find the next number in the series: 3, 6, 12, 24, 48, ?

Accepted Answer

96

Question 2

Find the missing number in the series: 5, 9, 13, 17, ?, 25

Accepted Answer

21

Question 3

Find the missing number in the series: 2, 3, 7, 25, 121, ?

Accepted Answer

721

Question 4

Find the missing number in the series: 2, 6, 12, 20, ?, 42

Accepted Answer

30

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