15
He didn't do situps, silly!
every four years
every four years
Four times by CMLAs completly with every Martial Law and many times partially .
every four (4) years
Every four years
Leap years occur every four years.
200 every day. Do a hundred when you wake up and another hundred when you come back from work/school.
once, that is what determines a day
500 situps burn 100 calories so you need to do more than 2,500
Situps and holds are good. Do as many as you can in 2 minutes (for each), then a one minute break. Repeat 3-4 times.
Twice - in 1959 and 2010.