The given below is the data of number of cars sold by a dealer in an year. How many more white cars needs to be sold to make it the most sold car of the year?
A
3
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B
4
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C
5
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D
6
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Solution
The correct option is B 4 Arranging the number of cars sold in ascending order.
9 < 12 < 15 < 17 < 20
Others < Silver < Red < White < Black
So difference between White cars and black cars
= 20 - 17
= 3
So,
Number of White cars needs to be sold = 3 + 1
So, 4 more White cars needs to be sold.