Direction: What will come in place of question mark (?) in the given number series? |
A) 2702
B) 2547
C) 2684
D) 2590
E) 2580
Correct Answer: E
Solution :
The scries is \[\text{+}{{\text{7}}^{\text{2}}}\text{, -}{{\text{9}}^{\text{2}}}\text{, +1}{{\text{1}}^{\text{2}}}\text{, -1}{{\text{3}}^{\text{2}}}\text{, +1}{{\text{5}}^{\text{2}}}\text{,}...\] \[\text{ie 2531+}{{\text{7}}^{\text{2}}}\text{=2580, 2580-}{{\text{9}}^{\text{2}}}\text{=2499,}\] \[\text{2499+1}{{\text{1}}^{\text{2}}}\text{=2620, 2620-1}{{\text{3}}^{\text{2}}}\text{=2451,}\] \[2451+\text{1}{{5}^{2}}=2676,...\]You need to login to perform this action.
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