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- In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C:
Question 1:
In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C: A. 18 m
B. 27m
C. 9m
D. 20 m
Feedback A : B = 100 : 90.
A : C = 100 : 72.
B:C = B/A*A/C = 90/100*100/72 = 90/72
When B runs 90 m, C runs 72 m.
When B runs 100 m, C runs (72/90*100)m = 80m
B can give C 20m
A : C = 100 : 72.
B:C = B/A*A/C = 90/100*100/72 = 90/72
When B runs 90 m, C runs 72 m.
When B runs 100 m, C runs (72/90*100)m = 80m
B can give C 20m
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