Question

$A$ is twice as fast as $B$ is thrice as fast as $C$. The journey covered by $C$ in $42$ minutes, what will be covered by $A$ is

• A. $21$ Min
• B. $64$ Min
• C. $17$ Min
• D. $40$ Min

Answer 1

The correct option is A $21$ Min

time taken ny C to complete the journey $=$ 42 minutes

time taken by A to complete the journey $=\frac{42}{2}$ minutes ($\because$ A is twice as fast as C)

$=21$ minutes.