CUCI OTAK KUIS INTERAKTIF EINSTEIN

CUCI OTAK KUIS INTERAKTIF EINSTEIN

ASAH ASIH ASUH OTAK ANDA 

Are You Smart Guys ?

1)    The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year.
What day is my birthday?

2)    What mathematical symbol can be placed between 5 and 9, to get a number greater than 5 and smaller than 9?

3)      Can you arrange 9 numerals - 1, 2, 3, 4, 5, 6, 7, 8 and 9 - (using each numeral just once) above and below a division line, to create a fraction equaling to 1/3 (one third)?

4)    What 5-digit number has the following property? If we put numeral 1 in front of the number, we get a number three times smaller, and than equal of value  if we put the numeral 1 behind this number.

SELAMAT MENCOBA DAN BERANALISA RIA

MONGGO DISERBU

SOLUTION :

1)    He was born on December 31st and spoke about it on January 1st.

2)    decimal point - 5.9

3) 5832/17496 = 1/3

4) Using an easy equation: 3(x+100000) = 10x+1 we find out that the number is 42857.