There are two teams of two people each competing in a relay race. The race is for 1km, and each member of a team has to run 500 meters Marceline and Jahllo are in one team, and the Wadha twins form the second team. Marceline can run 500 meters in
minutes. Jahllo can run 500 meters in
minutes. Each of the Wadha twins can run 500 meters in
minutes. Which pair will win the race and by how much time?
Wadha twins will win the race by 30 seconds
Marceline and Jahllo will win the race by 27 seconds
Wadha twins will win the race by 27 seconds
Marceline and Jahllo will win the race by 30 seconds
In an exam of Mathematics and History, 36% and 21% students failed in Mathematics and History respectively. If 14% students failed both in Mathematics and History, find the percentage of students who passed in both the exams.