In the “Big-Reds” parking lot there are 56 vehicles, 18 of them are buses and the rest are private cars. The color of 32 vehicles is red, from which 17 are buses. How many private cars can be found in the parking lot, which are not colored red?
Answer(s): B
Out of 56 vehicles, 32 are colored red, therefore 24 are in different color.17 of the red vehicles are buses, therefore (18 – 17 = 1) are in different color. (24 – 1 = 23) private cars are in the parking lot with a different color than red.
In Sam’s hanger there are 23 boxes, 16 out of the boxes are filled with toys and the rest are filled with electrical appliances. 8 boxes are for sale, 5 of them are filled with toys. How many boxes with electrical appliances are in Sam’s hanger that is not for sale?
Answer(s): D
8 boxes are for sale, 5 of them are with toys, and therefore 3 of them are with electrical appliances. Out of 23 boxes, 16 are with toys, therefore, and therefore 7 of them are with electrical appliances. (7 – 3 = 4) is the number of electrical appliances boxes, which are not for sale.
In the fifth grade at Parkway elementary school there are 420 students. 312 students are boys and 250 students are playing soccer. 86% of the students that play soccer are obviously boys. How many girl student are in Parkway that is not playing soccer?
There are (420 – 312 = 108) girls in Parkway.86% of 250 are boys, therefore 14% of 250 are girls that play soccer, which is 35 girls. The number of girls that do not play soccer is (108 – 35 = 73).
In the quiet town of “Nothintodo” there are 600 inhabitants, 400 are unemployed and 300 are somnambulists. If half of the somnambulists are unemployed, how many are employed and are not somnambulists?
Answer(s): A
There are 300 people that are not somnambulists. There are (600 – 400 = 200) people that are employed in the town, half of the somnambulists are employed (150), therefore (200 – 150 = 50) is the number of people that are employed which are also not somnambulists.
In the youth summer village there are 150 people, 75 of them are not working, 50 of them have families and 100 of them like to sing in the shower. What is the largest possible number of people in the village, which are working, that don’t have families and that are singing in the shower?
Answer(s): C
The number of people that work is 75.The number of people that doesn’t have families is (150 – 50 =100). 100 of the people like to sing in the shower.The largest possible number of people that belong to all three groups is the smallest among them, Meaning 75.
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