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Vijay Dhiman

· started a discussion

· 1 Months ago

wrong answer as well as question (Question: 229315.0 )

if 8/7th of speed is 25 then actual speed should be lesser than that and please do reply to the doubts if you are not replying then what good are you for the preparations?

Question:
A car travelling with \(\cfrac{5}{7}\) of its usual speed covers 42 km in 1 hr 40 min 48 sec. What is the usual speed of the car ?
Options:
A) 17\(\cfrac{6}{7}\) km/h 
B) 35 km/h 
C) 25 km/h
D) 30 km/h
Solution:
Ans: (b)


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