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Sequence and Series
What is the next number of the following sequence
5, 25, 61, 113,
Read Solution (Total 8)
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- 5, 25, 61, 113, x
1^2 + 2^2 = 5
3^2 + 4^2 = 25
5^2 + 6^2 = 61
7^2 + 8^2 = 113
9^2 + 10^2 = x ====> x = 181 - 10 years agoHelpfull: Yes(54) No(0)
- 5, 25, 61, 113, x
25 - 5 = 20
61 - 25 = 36
113 - 61 = 52
Difference : 20, 36, 52
20 + 16 = 36
36 + 16 = 52
next difference should be 52 + 16 = 68
So x - 113 = 68
x = 181
Ans : 181
- 10 years agoHelpfull: Yes(30) No(0)
- 181 will be the answer as first calculate the difference as 25-5=20 , 61-25=36,113-61=52 now again check the difference 36-20=16, 52-36=16 means we have to add 16 to 52 then we get 68 and add this to 113 you will get the answer
- 10 years agoHelpfull: Yes(2) No(0)
- 181 will be ans.
- 10 years agoHelpfull: Yes(0) No(0)
- 181 is the ans.
- 10 years agoHelpfull: Yes(0) No(0)
- d) IS .
100% - 8 years agoHelpfull: Yes(0) No(1)
- 5,25,61,113
5+20=25
25+36=61
61+52=113
difference between each added second number:
36-20=16
52-36=16
hence, 52+16=68
therefore, 113+68=181 - 5 years agoHelpfull: Yes(0) No(0)
- 5, 25 , 61, 113
25-5=20 61-25=36 113-61=52
36-20=16 52-36=16 so 52+16=68
68+113=181 - 4 years agoHelpfull: Yes(0) No(0)
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