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Maths Puzzle
In given series 7 8 16 46 107 232 448 only one number is incorrect. Find out that wrong number.
A: 8 B: 16 C: 46 D: 107 E: 232
Read Solution (Total 2)
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- 46 is wrong term.
it should be 43.
(N+1)th term = Nth term +(N)^3
8=7+1^3
16=8+2^3
43= 16+3^3............. so 46 is wrong.
107= 43+4^3
232= 107+5^3
448= 232+6^3 - 12 years agoHelpfull: Yes(13) No(3)
- c)
from reverse side
448-232=216=6^3
232-107=5^3
107-46 is not equal to 4^3. so 46 is wrong.
correct term: 43 - 12 years agoHelpfull: Yes(1) No(3)
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