A mother gave birth to twin boys, but they were born in different years and on different days. And no, the boys are not part of 2 sets. How can this be possible?
"We were born on the same day of the same year," said Betsy. "And we have the same mother and father," said Patsy. "But we're not twins," said Betsy. Can you explain?
There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?
Two children are born on the same day from the same mother but they are not twins. How is that possible?
Two taps can fill a tank in 4 hours and 5 hours. If two taps are operate simultaneously, in how much time will the tank be filled?