Question : Man perceives sound vibrations in the frequency ranges of

Option 1: 0 - 5 Hz

Option 2: 6 - 10 Hz

Option 3: 11 - 15 Hz

Option 4: 20 - 20,000 Hz

Question : If $p: q$ is $4: 3$ and $q: r$ is $5 : 2$. Find $p: q: r$.

Option 1: 20 : 15 : 6

Option 2: 10 : 4 : 7

Option 3: 15 : 6 : 20

Option 4: 7 : 4 : 10

Question : If p : q is 5 : 6 and q : r is 2 : 5, then what is p : q : r?

Option 1: 15 : 6 : 5

Option 2: 5 : 6 : 5

Option 3: 5 : 6 : 15

Option 4: 5 : 2 : 6

Question : What is the value of 15 ÷ 5 of 3 – 3 × 4 + 13?

Option 1: 3

Option 2: 2

Option 3: 10

Option 4: 0

Question : Directions: Which two numbers should be interchanged to make the given equation correct?
20 ÷ 6 + 10 – 5 × 2 = 2

Option 1: 5 and 10

Option 2: 6 and 10

Option 3: 10 and 20

Option 4: 5 and 6

Question : Directions: If 2 + 3 + 5 = 30; 3 + 4 + 6 = 72; 5 + 6 + 2 = 60; then 5 + 4 + 0 = ?

Option 1: 40

Option 2: 30

Option 3: 0

Option 4: None