Latest IES EC Aptitude Question SOLUTION: 202.Tim and Elan are 90km away from each other .they are starting to move towards each other simultaneously ,tim at speed 10kmph and elect at 5kmph ,if every hr they double the spe

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(#M40154899) IES EC Numerical Ability question Keep an EYE

202.Tim and Elan are 90km away from each other .they are starting to move towards each other simultaneously ,tim at speed 10kmph and elect at 5kmph ,if every hr they double the speed ,what is distance that tim will pass until he meets elan? [TCS-2012]
(A)45 (B)60 (C)20 (D)80

Asked In IES EC S B HARISH (9 years ago)

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Devendra Marghade  (9 years ago)

(B) 60

Speeds of Tim & Elan are 10,20,40 & 5,10,20 kmph in 1st, 2nd & 3rd hour respectively
So in first 2 hrs. distance covered=(10+5)+(20+10)=45 and remaining 45 Km. till they meet will be covered in 3rd hour in 45/60 hr. or 45 minutes & distance covered by Tim in 45 min. in 3rd hour @40 kmph=30 Km.
So distance traveled by Tim until he meets Elan= 10+20+30=60 Km.

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