Police said the first two attacks happened in Sadr City when a car bomb exploded near a group of laborers and when a car bomb went off near a fuel station, CNN reported.
The two explosions in Sadr City killed seven people and injured 35 others, police said
A car bomb detonated in al-Hurriya neighborhood, killing at least one person and wounding 13 others, police said.
Six people were injured when a roadside bomb exploded near Adan Square in northwestern Baghdad, CNN said.
The fifth car-bomb blast occurred near an elementary school in the Shulaa neighborhood, police said. Two people were killed, and 18 others, including some school children, were wounded.
Nearly 200 people have died in attacks in Iraq since the beginning of the year, CNN said. Most of those killed were Shiites marking Arbaeen, a holy day that marks the end of a 40-day mourning period for Imam Hussein, a grandson of the Prophet Mohammed killed in a 7th century battle.