Question : If 2P = 3Q and 5Q = 4R, then what is the value of P : Q : R ?

Option 1: 8 : 5 : 4

Option 2: 2 : 3 : 5

Option 3: 6 : 4 : 5

Option 4: 7 : 5 : 6

Question : What is the value of 28 × 25 ÷ 7 × 15 + 63 × 56 ÷ 72 × 5 + 24 × 7 + 8?

Option 1: 2101

Option 2: 1821

Option 3: 1921

Option 4: 1901

Question : If p : q : r = 2 : 5 : 3 and r : s = 6 : 5, then what is the value of p : q : r : s?

Option 1: 4 : 12 : 7 : 3

Option 2: 4 : 10 : 6 : 5

Option 3: 6 : 5 : 8 : 10

Option 4: 8 : 12 : 7 : 8

Question : What is the value of $44÷11×4+5 ×8÷ 4-7 × 36÷14+7×4?$

Option 1: 33

Option 2: 24

Option 3: 28

Option 4: 36

Question : The value of $3 \frac{2}{7}+14 \frac{4}{9}+5 \frac{3}{9}$ is:

Option 1: $21 \frac{4}{63}$

Option 2: $25 \frac{4}{63}$

Option 3: $23 \frac{4}{63}$

Option 4: $22 \frac{4}{63}$