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Tag: unitary method

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Questions Related to unitary method

A can run 1 km in 4 min 54 sec and B in 5 min. How many metres start can A can give B in a km race so that the race may end in a dead heat ?

time speed and distance problems involving speed word problems on speed time and distance time and distance word problems on simultaneous equations applications of simultameous equations unitary method idea of speed distance and time speed math time work and distance ratio and proportions linear equations in two variables maths
  1. 16 m

  2. 18 m

  3. 20 m

  4. 22 m


Show answer
Correct Option: C
Explanation:

Distance covered by B in 6 sec $= \dfrac{(1000}{300}×6)=20 m$

If a car travels 150 km in 5 hours then its speed is

ime speed and distance problems involving speed word problems on speed time and distance time and distance word problems on simultaneous equations applications of simultameous equations unitary method idea of speed distance and time speed math time work and distance ratio and proportions linear equations in two variables maths
  1. 150 km/hr

  2. 30 km/hr

  3. 50 km/hr

  4. 10 km/hr


Show answer
Correct Option: B
Explanation:

$Speed=\dfrac{distance}{time}=\dfrac{150}{5}$ $=30 km/hr$

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