Quantitative Aptitude Ques 140

Question: In a parking area, the total number of wheels of all the cars (four-wheelers) and scooters/ motorbikes (two-wheelers) is 100 more than twice the number of parked vehicles. The number of cars parked is [CSAT 2015]

Options:

A) 35

B) 45

C) 50

D) 55

Show Answer

Answer:

Correct Answer: C

Solution:

  • Let total number of cars be x, And total number of scooters be y.

$ \therefore $ Total number of wheels $ =x\times 4+2\times y $ $ =4x+2y $ Total number of vehicle parked $ =x+y $ Now, $ 4x+2y=2,(x+y)+100 $

$ \Rightarrow $ $ 4x+2y=2x+2y+100 $

$ \Rightarrow $ $ 2x=100 $

$ \therefore $ $ x=50 $

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