Exercise your brain while taking the bus

The questions are plastered on the backs of seats on the upper deck of a Tower Transit Singapore bus plying the service 96 route, which loops around the National University of Singapore from Clementi Bus Interchange.
The questions are plastered on the backs of seats on the upper deck of a Tower Transit Singapore bus plying the service 96 route, which loops around the National University of Singapore from Clementi Bus Interchange.PHOTO: DSO NATIONAL LABORATORIES AND TOWER TRANSIT SINGAPORE
Accompanying each question is a profile of the scientist or engineer from DSO National Laboratories who crafted the question.
Accompanying each question is a profile of the scientist or engineer from DSO National Laboratories who crafted the question.PHOTO: DSO NATIONAL LABORATORIES AND TOWER TRANSIT SINGAPORE

Contest challenges commuters to solve questions relating to science and engineering