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Total questions: 15
Worksheet time: 22mins
What is 20% of 800?
200
180
160
150
n% of 1500 is 450. Find the value of n.
20%
22%
25%
30%
15% of what number is 135?
900
885
835
800
Given that m : n = 7 : 15 and m = 56, find the value of n.
120
118
110
90
What is the simplest form of 1.2 : 3.6?
2 : 3
1 : 2
1 : 3
2 : 6
If x : y = 12 : 5 and y = 45, find the value of x.
98
102
105
108
Express 24 eggs out of 40 are good in percent.
40%
60%
70%
80%
What is 120% of 40?
52
49
48
44
The ratio of the number of motorcycles to the number of cars is 5 : 7. Calculate the number of motorcycles given that the number of cars is 350.
250
248
245
240
A piece of string is cut into three parts in the ratio 3 : 4 : 5. If the length of the longest piece is 35 cm, find the length of the shortest piece.
14
21
28
35
Andrew is earning 5,000 Baht per week. If his salary is increased to 5,500 Baht per week, then by what percent is his salary increase?
5%
10%
12%
15%
In a school, 55% of the students are girls. If there are 495 girls, what is the total number of students in the school?
800
850
875
900
When a number is increased by 15% it becomes 1,725. Find the number.
1,350
1,500
1,525
1,650
In a basket of 120 eggs, 48 were broken. What percent of the eggs were not broken?
20%
40%
50%
60%
There are 4,800 children in school. This number is 20% more than it was last year. How many children were there in the school last year?
3,800
4,000
4,200
4,500
