Direction : What will come in the place of question mark in following number…
2020
Direction : What will come in the place of question mark in following number series:
1, 1, ?, 15, 105, 945
- A.
2
- B.
3
- C.
4
- D.
1.5
- E.
2.5
Attempted by 14 students.
Show answer & explanation
Correct answer: B
The pattern multiplies successively by 1, 3, 5, 7, and 9. Therefore the missing number is 3.