| 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] |
A) 35
B) 45
C) 50
D) 55
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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