Matemathics Practice Test No 11 - 15

Mathematical Question
Math Practice for Exam
Example of Math Exam
Math Exercise for beginner

no. 11 - 15

Answers :
11. Concrete is made by mixing screenings cement and sand in the ratio 3 : 1 : 15. How much sand would be needed to make 125 tonnes of concrete ? E
= 15 / (3+1+15) . 125 = 98.68

12. a = 180 - 87 - (180 - 127)
a = 180 - 87 - 180 + 127
a = - 87 + 127 = 40 B

13. x = 180 - 56 = 124 A

14. How many students studied for more than 8 hours in the week ? A
9 = 8
10 = 6
11 = 3
12 = 5
total = 22

15. How many students studied for 6 hours or less per week ? C
3 = 2
4 = 4
5 = 3
6 = 6
total = 15