問題一覧
1
Simplify (3x-9)/(x²-9)
3/(x+3)
2
A stick 96 cm long is to be divided in the ratio 3:4:5. How long is the longest part?
40
3
A meter was cut at the 35-cm mark. What is the ratio of the smaller piece to the larger piece?
7:13
4
Mark divides his day into leisure, sleep, and work in the ratio 1:2:3. How many hours does he spend for work?
12
5
Which of the following is NOT a prime number?
51
6
What is the sum of the first 20 counting numbers?
210
7
What is the degree of the following polynomial: 6x²-3x³+9
3
8
What is the largest prime number less than 100?
97
9
The sides of a triangle are 3, 6, and 8. If the largest side of a similar triangle is 16, what is the shortest side?
6
10
What are the prime factors of 273?
3x7x13
11
What is the least common multiple of 24 and 80?
240
12
Which of the following is the product of 13 and an integer?
1326
13
Find the least common multiple of:
d
14
What Property is illustrated in the following? 5+(2+6)=(5+2)+6
Associative Property
15
What is the value when 8.56 is multiplied by 10 to the sixth power?
8560000
16
How much greater is the sum of the first 20 counting numbers than the sum of the first 10 counting numbers.
155
17
Simplify:
c.
18
Find m in the proportion m/12=30/24
15
19
The number 99, 132 is NOT divisible by which of the following factors
8
20
Find the greatest common factor of:
d
21
What is the exponent in the expression 13x2+y?
2
22
It takes 8 days for 35 laborers to harvest coffee on a plantation. How long will 20 laborers take to harvest coffee on the same plantation?
14 days
23
Simplify:
d
24
Simplify:
b
25
The sides of a triangle are 3,6 and 8. Of the largest side of a similar triangle is 16, what is the shortest side?
6