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Harsh

· started a discussion

· 1 Months ago

NEVER GIVE UP (Question: 248950.0 )

U think about it this is wrong ...... right bbbb hoga...... I BET u knowledge expert............

Question:
A person travels one-third of the distance from P to Q with a speed of ‘a’ Km/hr and rest with a speed of ‘2b’ Km/hr. If he travels with a uniform speed of ‘6c’ Km/hr, he travels from P to Q and returns in the same time. Which relation holds true?
Options:
A)

c = a + b

B) \(\cfrac{1}{2c}=\cfrac{1}{a}+\cfrac{1}{b}\)
C) \(\cfrac{1}{c}=\cfrac{1}{a}+\cfrac{1}{b}\)
D) \(\cfrac{2}{c}=\cfrac{1}{a}+\cfrac{1}{b}\)
Solution:

Ans: (c) 

Let total distance = 3 Km


ankita

· commented

· 1 Months ago

yes you r right ..mine is also b

Vishwa jeet

· commented

· 1 Months ago

lol

Knowledge Expert

· commented

· 1 Months ago

Dear student
Given answer is correct
Please solve the Question carefully

Best wishes
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