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 : Three partners P, Q, and R share profit such that 4 times P's share is equal to 5 times Q's share and equal to 8 times R's share. What is the ratio of the profits of P, Q, and R respectively?

Option 1: 12 : 8 : 7

Option 2: 10 : 8 : 5

Option 3: 14 : 7 : 9

Option 4: 15 : 9 : 8

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 : If P = 7 × 4 – 3, Q = 8 ÷ 4 + 2, and R = 14 ÷ 21 × 9, then what is the value of P × Q + R?

Option 1: 96

Option 2: 112

Option 3: 108

Option 4: 106

Question : If $\frac{P}{2}=\frac{Q}{5}=\frac{R}{6}$, then what is the value of $P^2:(P+Q)^2:(Q+R)^2$?

Option 1: 10 : 56 : 169

Option 2: 4 : 49 : 121

Option 3: 9 : 64 : 144

Option 4: 16 : 10 : 125