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rishi

· started a discussion

· 1 Months ago

Answer is worng (Question:88672.4)

My answer was 31/39

Question:

DIRECTIONS: Study the following graph and table carefully and answer the questions given below:


Time taken to travel (in hours) by Six vehicles on two different days




Distance covered (in kilometers) by six vehicles on each day


Vehicle
Day 1
Day 2
A832864
B516774
C693810
D552765
E935546
F703636


What is the ratio of the speeds of Vehicle D and Vehicle E on Day 2 ?
Options:
A) 15:13
B) 17:13
C) 13:11
D) 17:14
E) None of these 
Solution:

Ans: (b) Speed of D on 2nd day =  \(\cfrac{765}{15}\) = 51 kmph

Speed of E on 2nd day =  \(\cfrac{546}{14}\) = 39  kmph

Required ratio = \(\cfrac{51}{39}\)  =  \(\cfrac{17}{13}\)

= 17 : 13

Knowledge Expert

· commented

· 1 Months ago

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