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A truck covers a distance of 384 km at a...

A truck covers a distance of 384 km at a certain speed. If the speed is decreased by 16 km/h, it will take 2 hours more to cover the same distance. 75% of its original speed (in km/h) is :
एक ट्रक 384 किमी की दूरी एक निश्चित चाल से तय करता है | यदि चाल 16 किमी/घंटा से कम कर दी जाए, तो इसे इसी दूरी को तय करने में दो घंटे अधिक लगेंगे | इसकी आरंभिक चाल (किमी/घंटा में ) का 75% है :

A

a)45

B

b)54

C

c)48

D

d)42

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PINNACLE-SPEED AND DISTANCE-EXERCISE
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  8. Walking at 3/4 of his usual speed, a person reaches his office 18 minu...

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  10. A man travels a certain distance at 12km/h and returns to the starting...

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  11. Two trains of the same length are running on parallel tracks in the sa...

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  13. A 360 m long train running at a uniform speed, crosses a platform in 5...

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  14. Two trains of equal length travelling in opposite directions at 72 km/...

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  15. The ratio between the speeds of two trains is 2 : 5. If the first trai...

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  16. Given that the lengths of the paths of a ball thrown with different sp...

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  17. The platform of a station 400 m long starts exactly where the last spa...

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  18. A train goes from P to Q with a speed ukm/h, then from Q to R (QR = 2P...

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  19. A person covers 40% of a distance with a speed of 60 km/h and the rema...

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  20. The speed of a car increases by 2km/h after every one hour. If the dis...

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