Question

Out of 210 accidents that occurred on the DND Flyway, 50 resulted in Head Injury, 105 in Chest Injury and 56 in Limb Injury. 32 suffered both Head and Chest Injury, 30 suffered both Head and Limb Injury and 45 suffered both Limb and Chest Injuries.
The minimum number of people who suffered all the three injuries is ___.

Answer 1

Number of people who suffered all the injuries is x
123= 55+72+65-23-26-28+x
$\Rightarrow x=8$