Delhi Police Constable 2014 Paper

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Directions (Qs. No. 41 to 43):
Answer the questions on the basis of given information:
A and B are two railway stations which are linked with station C through a straight line. Two trains going towards A and B simultaneously start from C and non-stop reach A and B with constant speeds

Question : 42 of 100

Marks: +1, -0

If a train going to C as per its speed reaches in 45 minutes and assuming that station A is towards south of C whereas station B is towards east of C then after 30 minutes, what is the distance between the two trains?

45
52
36
Insufficient data

Validate

Solution:

In 60 min. the train runs 72 km
In 30 min. the train runs 36 km
In 60 min. the train runs 54 km
In 30 min. the train runs 27 km
The distance between both trains after 30 minutes

=√{(36)^{2}+(27)^{2}}

=√{1296+729}

=√{2025}=45 {km}

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