2014 · Q37
If A : B = 2 : 3, B : C = 5 : 7 and C : D = 3 : 10, then what is A : D equal to?
Elementary MathematicsArithmetic
- A1 : 7
- B2 : 7
- C1 : 5
- D5 : 1
Explanation
A/D = (2/3)(5/7)(3/10) = 1/7.
If A : B = 2 : 3, B : C = 5 : 7 and C : D = 3 : 10, then what is A : D equal to?
Explanation
A/D = (2/3)(5/7)(3/10) = 1/7.