Model 5 Problems with Races Practice Questions Answers Test with Solutions & More Shortcuts
time & distance PRACTICE TEST [5 - EXERCISES]
Model 1 Basic Time & Distance using formula
Model 2 Vehicles in x/y of its usual speed
Model 3 Problems on average speed
Model 4 Time & Distance with Ratios
Model 5 Problems with Races
Question : 16 [SSC CGL Tier-I 2010]
In a 100m race, Kamal defeats Bimal by 5 seconds. If the speed of Kamal is 18 Kmph, then the speed of Bimal is
a) 14.5 kmph
b) 14 kmph
c) 14.4 kmph
d) 15.4 kmph
Answer »Answer: (c)
Time taken by Kamal
= $100/{18 × 5/18}$ = 20 seconds
Time taken by Bimal
= 20 + 5 = 25 seconds
Bimal's speed
= $100/25$ =4 m/sec = ${4 × 18}/5$ kmph
= 14.4 kmph.
Question : 17 [SSC CGL Tier-II 2017]
Rubi goes to a multiplex at the speed of 3 km/hr to see a movie and reaches 5 minutes late. If she travels at the speed of 4 km/hr she reaches 5 minutes early. Then the distance of the multiplex from her starting point is
a) 5 km.
b) 5 metre
c) 2 metre
d) 2 km.
Answer »Answer: (d)
Distance between starting point and multiplex = x metre
Time = $\text"Distance"/ \text"Speed"$
According to the question,
$x/3 - x/4 = {5 + 5}/60$
${4x - 3x}/12 = 1/6$
$x/12 = 1/6$
$x = 12/6$ = 2 km.
IMPORTANT quantitative aptitude EXERCISES
Model 5 Problems with Races Shortcuts »
Click to Read...Model 5 Problems with Races Online Quiz
Click to Start..time & distance Shortcuts and Techniques with Examples
-
Model 1 Basic Time & Distance using formula
Defination & Shortcuts … -
Model 2 Vehicles in x/y of its usual speed
Defination & Shortcuts … -
Model 3 Problems on average speed
Defination & Shortcuts … -
Model 4 Time & Distance with Ratios
Defination & Shortcuts … -
Model 5 Problems with Races
Defination & Shortcuts …
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