Latest TCS Aptitude Question SOLUTION: A 120 wire cable has been laid firmly undergr ound between two t elepho ne exchanges located 10k m apart. Unfortunately after the c able was laid it was discovered to be the wro n

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(#M40011202) TCS question Keep an EYE

A 120 wire cable has been laid firmly undergr ound between two t elepho ne
exchanges located 10k m apart.
Unfortunately after the c able was laid it was discovered to be the wro ng type, the
problem is the individual wir es are not labelled. There is no visual way of knowing
whic h wire is whic h and thus co nnections at eit her end is not immediat ely possible.
You are a trainee technician and your boss has asked yo u to identify and label the
wires at both ends witho ut ripping it all up. You have no transpo rt and only a batt ery
and light bulb to test co ntinuity. You do have tape and pen for labelling the wires.
What is t he shortest dist anc e in k ilo met res you will need to walk to co rr ectly identify
and label each wir e?
(a) 17 (b) 15 (c) 10 (d) 20

Asked In TCS (11 years ago)

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