Question : If A : B = 3 : 2, B : C = 7 : 5 and C : D = 10 : 3, then what is A : D equal to?

Option 1: 7 : 1

Option 2: 1 : 7

Option 3: 4 : 3

Option 4: 3 : 4

Question : If A : B = 5 : 4, B: C = 6 : 5, C: D = 7 : 10, then what is the value of A : D?

Option 1: 21 : 25

Option 2: 7 : 3

Option 3: 21 : 20

Option 4: 25 : 24

Question : If $A:B: C=2:3:4$, then what will be the value of $\frac{A}{B}:\frac{B}{C}:\frac{C}{A}$?

Option 1: $9: 5: 36$

Option 2: $8: 7: 25$

Option 3: $8: 9: 24$

Option 4: $12: 10: 13$

Question : if $\frac{a}{b}=\frac{2}{3}$ and $\frac{b}{c}=\frac{4}{5}$, then $(a+b):(b+c)$=?

Option 1: 3 : 4

Option 2: 4 : 5

Option 3: 5 : 9

Option 4: 20 : 27

Question : If ${A}=3+7 \times 2, {~B}=12 \div 4-6$, and ${C}=6 \times 5+2$, then what is the value of ${A} \times {B}+{C}$ ?

Option 1: –22

Option 2: –19

Option 3: –25

Option 4: –26