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In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by:

A.21 m B.28 m C.26 m D.29 m

Supervisory Skills Thermal Engineering Boilers problem solving skills Mechanical Design
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Question added by kabilan dharmadoss , Qa/qc Mechanical Engineer , Beijing panchina sports
Date Posted: 2015/03/03
Upvote (0) Views (8) Followers (4) Answers (4) Report Question
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Elke Woofter
by Elke Woofter , Project Assistant , American Technical Associates

The answer is C)28 m

 

A : B =100 :75

B : C =100 :96.

A : C = A x B = 100 x 100 = 100 =100 :72. B C 75 96 72

A beats C by (100 -72) m =28 m.

Ragim Hankishiyev
by Ragim Hankishiyev , DRILLING FLUIDS CONSULTANT , Consultant agency

Everybody gave the right answer (28 m).

Armanadi Ermanadi
by Armanadi Ermanadi , Quality Assurance/Quality Control (Mechanical and Electrical) , PT Jaya Obayashi

I Agree with Ms. Woofter. In term of speed

A:B:C =100 : (100-25) :100-25-(100-25)/100*4

           =100 :75 :72

Nazneen Sheikh
by Nazneen Sheikh , 3D Designer , Renaissance Engineering Consultants

D.29 m

A beats C by the total of25m (A-B) +4m(B-C)

 

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