1. "The Mujahedin laid 260 anti-tank mines for Russian tanks. Out of that 180 mines exploded. Now find out how many mines are remaining." 2. "15 Mujahedin attacked 100 Communists from one side. 17 Mujahedin attacked from the other side. Out of 100 Communists, 14 were arrested and 72 were killed. Find out: a) how many Mujahedin were involved in the attack and b) how many infidels fled." 3. "Karim is a Mujahed. He had 5 magazines of AK bullets. Each magazine has 30 bullets. He fired 3 at the infidels and killed 50 infidels.