1.

There are some four-wheelers and six-wheelers in a garage. The total number of wheels of these vehicles is 120. The number of four-wheelers is `3//2` times the number of six-wheelers. Find the number of six-wheelers in the garage.A. `20`B. `5`C. `15`D. `10`

Answer» Correct Answer - D
Let the number of six-wheelers be x.
`therefore `The number of four -wheelers = `(3)/(2) x`.
Given
`6x + (3)/(2) x xx 4 = 120`
`6x + 6x = 120 rArr 12x = 120`
`x = 10`
`therefore` The number of six wheelers = 10.


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