Question: Directions: What will come in place of question mark (?) in the following number series?
[Bank of Baroda (Clerk) 2011]
1, 7, 49, 343,?
Options:
A) 16807
B) 1227
C) 2058
D) 2401
E) None of these
Show Answer
Answer:
Correct Answer: D
Solution:
- Here, in the given series, increase is sudden. So, it must have multiplication series.
Now,
Alternate Method
Here, in the given series, the given pattern could also be explained as
1 7 49 343 2401
$ 7^{0} $ $ 7^{1} $ $ 7^{2} $ $ 7^{3} $ $ 7^{4} $