Latest Syntel Aptitude Question SOLUTION: Travelling at 3/4th the speed a man is 20 minutes later then speed is?

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(#M40001228) SYNTEL Numerical Ability question Keep an EYE

Travelling at 3/4th the speed a man is 20 minutes later then speed is?

Asked In Syntel Naveen (13 years ago)

Unsolved Read Solution (4)

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Read Solution (4) :

sachin kumar  (13 years ago)

Let L be the distance, V be his usual speed.
We have L/(3/4 V) = L/V + 20.
So, 4/3 * L/V = L/V + 20,
Or 1/3 * L/V = 20,
we get L/V = 60 (min)


Since V is his usual speed, so T = L/V his usual time for
him walking from to the office.
Another way , let T (min) be the usual time, then he spent 4 T/3
when walking in 3/4 of usual speed.
Since 4T/3 = T +20, we obtain T = 60 min.
SACHIN

Is this solution Helpfull? Yes (16) | No (3)  

varun  (12 years ago)

Since V is his usual speed, so T = L/V his usual time for
him walking from to the office.
Another way , let T (min) be the usual time, then he spent 4 T/3
when walking in 3/4 of usual speed.
Since 4T/3 = T +20, we obtain T = 60 min.

Is this solution Helpfull? Yes (4) | No (1)  

amiteshkumar  (13 years ago)

speed will be same

Is this solution Helpfull? Yes (1) | No (12)  

TAPOBRATA BARMAN  (10 years ago)

Speed = 3/4 of normal speed;
therefore time becomes 4/3.

extra time=1/3 of normal time= 20 minutes

therefore normal time = 60 minutes.

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