In an examination, there were 1100 boys and 900 girls. 50% of the boys and 40% of the girls passed the examination. The percentage of candidates failed is
In the questions,sentence has been divided into four parts, marked (a), (b), (c) and (d). Identify that part of the sentence which needs to be changed for the sentence to be grammatically correct
of their choice
Which of the following countries is a land locked country insouth America?