By Lucretia Munro With a new batch of contestants desperately trying to secure a £250,000 investment from Lord Alan Sugar, last year’s winner Marnie Swindells has opened up what it takes to become a finalist. Despite being on the losing team four times during her stint on the show, the 29 year old business woman managed to win over the experts , and Lord Sugar to secure an investment in a boxing gym named Bronx in south London. However, while viewers were left thinking that it’s purely down to the luck of the draw when it comes to tasks, it seems that it takes more than that – and it’s all abo…