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:

Question

A.21 m

B.28 m

C.26 m

D.29 m

Elke Woofter · Answer

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 · Answer

Everybody gave the right answer (28 m).

Armanadi Ermanadi · Answer

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 · Answer

D.29 m

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