Subject: General Aptitude · Chapter: Races and Games of Skill · Exam: · Marks: · Difficulty:
A, B and C are three contestants in a km race. If A can give B a start of 40 m and A can give C a start of 64 m, how many metres start can B give C?
Answer
Answer (as printed):
Explanation
$A: B=1000: 960$ and $A: C=1000: 936$. $$\therefore \frac{B}{C}=\left(\frac{B}{A} \times \frac{A}{C}\right)=\left(\frac{960}{1000} \times \frac{1000}{936}\right)=\frac{1000}{975} \Rightarrow B: C=1000: 975 .$$ $\therefore B$ can give $C$ a start of 25 m.
Explanation as extracted from the printed page; notation may be imperfect.