Question

38.
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
(a) 35
(b) 45
(c)
50
(d) 55​

Answer 1

50

Step-by-step explanation:

Let number of cars be x Let number of scooters / motor bikes = y ∴ Total number of parked vehicles = x + y According to question 4x + 2y = 2 (x + y) + 100 4x + 2y = 2x + 2y + 100 2x = 100 x = 50 Hence, Number of cars parked is 50.

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Answer 2

Answer:

{C} option

Step-by-step explanation:

Let number of cars be x

Let number of scooters / motor bikes = y

∴ Total number of parked vehicles = x + y

According to question

4x + 2y = 2 (x + y) + 100

4x + 2y = 2x + 2y + 100

2x = 100 x = 50

Hence, Number of cars parked is 50.

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