[Jefff]

pawn Code:

stock ReturnWeaponName(weaponid)
{
    new weapname[64];
    GetWeaponName(weaponid,weapname,sizeof(weapname));
    return weapname;
}
new WeaponID[3] = {38,39,4};

new weap = WeaponID[random(sizeof(WeaponID))];
GivePlayerWeapon(playerid, weap, 100);
"First One who solve => %i + %i - %i + %i <= will get $1000 + %s",.......,ReturnWeaponName(weap)