Question : What smallest positive number should be subtracted from 2 and 3 so that 4 is the third proportion to them?

Option 1: 1

Option 2: 2

Option 3: 4

Option 4: 3

Question : What is the third proportional number to 10 and 20?

Option 1: 30

Option 2: 25

Option 3: 50

Option 4: 40

Question : If $\frac{A}{3}=\frac{B}{2}=\frac{C}{5}$, what is the value of ratio $(C+A)^{2}:(A+B)^{2}:(B+C)^{2}$?

Option 1: $9:4:25$

Option 2: $25:4:9$

Option 3: $64:25:49$

Option 4: $49:25:64$

Question : The sides of two similar triangles are in the ratio 5 : 7. The areas of these triangles are in the ratio of:

Option 1: 35 : 49

Option 2: 15 : 49

Option 3: 25 : 49

Option 4: 36 : 49

Question : Directions: Which of the following interchange of numbers and mathematical signs would make the given equation correct?
30 ÷ 6 × 4 + 15 − 35 = 25

Option 1: 25 and 30; × and –

Option 2: 4 and 6; + and –

Option 3: 25 and 35; × and ÷

Option 4: 30 and 35; – and ÷