Q.1   The students of a school stand in a rectangle for an assembly. Each row had 8 boys and each column had 10 girls. There were 16 empty spaces in the rectangle. What is the number of possible values for the total number of students in the school?

Q 2 A school allows either all white uniform or a combination uniform where one of the trouser or shirt is black and the other is white. In all there are 15 combination uniforms, 12 white trousers and 13 white shirts. What is the total number of students in the school?