Question : A cuboid of sides 12 cm, 18 cm, and 27 cm is melted to form a cube. What is the ratio of the total surface area of the cuboid to that of the cube?

Option 1: $18 : 17$

Option 2: $17 : 19$

Option 3: $19 : 18$

Option 4: $17 : 23$

Question : Two numbers are, respectively, 10% and 25% more than the third number. The ratio of the two numbers is:

Option 1: 22 : 25

Option 2: 19 : 25

Option 3: 23 : 25

Option 4: 18 : 25

Question : In a factory, 48% of the number of male workers is equal to two-thirds of the number of female workers. What is the ratio of the number of males to that of the females in the factory?

Option 1: 25 : 12

Option 2: 12 : 25

Option 3: 18 : 25

Option 4: 25 : 18

Question : The area of two similar triangles is 324 cm² and 289 cm², respectively. What is the ratio of their corresponding altitudes?

Option 1: $\frac{17}{18}$

Option 2: $\frac{17}{19}$

Option 3: $\frac{19}{17}$

Option 4: $\frac{18}{17}$

Question : In a school, 391 boys and 323 girls have been divided into the largest possible equal classes, so that each class of boys numbers the same as each class of girls. What is the number of classes?

Option 1: 23

Option 2: 19

Option 3: 42

Option 4: 17