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Q.
If Hema walks at 12 km/hr instead of 8 km/hr, she would have walked 20 km more. The actual distance travelled by Hema is ?
A.
40 kms
B.
30 kms
C.
46 kms
D.
32 kms
View Answer
Correct choice: A
Explanation:
Let the actual distance travelled be x km. Then x/8=(x+20)/12 => 12x = 8x + 160 => 4x = 160 => x = 40 km.
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