two horses A and B run at a speed of 3:2 ratio in the first lap during the second lap the ratio is a differs by 4:7 during the third lap the ratio differ by 8:9. what is the difference in ratio of speed altogether between the two horses
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GIVEN :
Two horses A and B run at speed of ◆3:2 ratio in first lap.
◆second lap ratio is 4:7
◆third lap ratio is 8:9.
TO FIND :
what is the difference in ratio of speed altogether between the two horses.
SOLUTION :
◆In 1st,2nd,3rd lap, speed of horse A = 3x,4x,8x .
◆Summing them up ,
total speed = (3+4+8)x = 15x
◆In 1st,2nd,3rd lap, speed of horse B,= 2x,7x,9x
Summing them up ,
total speed = (2+7+9)x = 18x.
◆Difference between their speeds,
That is speed of horse A - B
= 18x -15x =3x
ANSWER
The difference in ratio of speed altogether between the two horses is 3x .
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