Quinientos niños tomaron turnos para decir una oración el primero dijo dos más dos es cuatro el segundo dijo dos más dos es cinco cada uno de los demás cuando su turno llegó dijo las dos personas anteriores mintieron ¿cuantas personas dijeron la verdad?
Answers
Answer:
167 people spoke truth
Step-by-step explanation:
Five hundred children took turns to say a prayer the first said two plus two is four the second said two plus two is five each of the others when his turn came said the two previous people lied how many people told the truth?
1st Said 2 + 2 = 4 TRUE
2nd Said 2 + 2 = 5 LIE
3rd said the two previous people lied = LIE ( as First said True)
4th said the two previous people lied = TRUE ( as 2nd & 3rd Lied)
5th said the two previous people lied = LIE ( as 4th said True)
6th said the two previous people lied = LIE ( as 4th said True)
7th said the two previous people lied = TRUE ( as 5th & 6th Lied)
this sequence will continue
People who spoke Truth
1 , 4 , 7 , 10 , .........................................................., 496 , 499
499 = 1 + (n-1)3
=> n-1 = 166
=> n = 167
167 people spoke truth