The speeds of three cars are in the ratio 2 : 3 : 4. The ratio of the times taken by these cars to travel the same distance is ----

A 2 : 3 : 4
B 4 : 3 : 2
C 6 : 4 : 3
D 4 : 3 : 6

Correct Answer: 6 : 4 : 3

ধরি, ১ ম গাড়িটির গতিবেগ 2x km/hr ধরি, ২ ম গাড়িটির গতিবেগ 3x km/hr ধরি, ৩ ম গাড়িটির গতিবেগ 4x km/hr এর দূরত্ব P km গাড়িগুলোর প্রয়োজনীয় সময়ের অনুপাত = Px:P3x:P4x =  12:13:14 = (12×12):(13×12):(14×12) = 6 : 4 : 3
Bissoy MCQ
#গণিত #অনুপাত-সমানুপাত (Ratio-Proportion) #Uttara Bank Ltd #Uttara Bank Ltd - Asst. Officer - 08.12.2017

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