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A takes 2 hours more than B to cover a distance of 40 km. If A doubles his speed, he takes $$1\frac{1}{2}$$ hours more than B to cover 80 km. To cover a distance of 90 km, how much time will B take travelling at his same speed?

A. $$1\frac{3}{8}{\text{hours}}$$

B. $$1\frac{1}{8}{\text{hours}}$$

C. $$1\frac{1}{6}{\text{hours}}$$

D. $$1\frac{1}{3}{\text{hours}}$$

Answer: Option B


This Question Belongs to Arithmetic Ability >> Speed Time And Distance

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