computation of whole numbers, decimals and fractions, relationships between numbers - One Line Questions
1.
What is the smallest prime number? —
2
2.
The sum of the squares of two consecutive whole numbers is 25. What is the smaller number? —
2
3.
Arrange the following decimals in ascending order: 0.5, 0.05, 0.55, 0.505 —
0.05, 0.5, 0.505, 0.55
4.
If 0.25 is 1/4 of a number, what is the number? —
1
5.
Calculate: 0.1 * 0.01 —
0.001
6.
If 0.5 is 1/2 of a number, what is the number? —
1
7.
What is the value of 1/0.25? —
4
8.
Convert the fraction 3/8 to a decimal. —
0.375
9.
If a number is divided by 5, the remainder is 3. What is the remainder when the square of the same number is divided by 5? —
4
10.
Find the value of (5/6) ÷ (10/12). —
1
11.
If a number is divided by 9, the remainder is 5. What is the remainder when twice the number is divided by 9? —
1
12.
Convert 5/4 to a decimal. —
1.25
13.
What is the value of 0.001 as a fraction? —
1/1000
14.
Which fraction is equivalent to 1.5? —
3/2
15.
Arrange the following fractions in descending order: 1/2, 2/3, 3/4. —
3/4, 2/3, 1/2
16.
What is the product of 5/6 and 3/10? —
1/4
17.
A number is increased by 10% and then decreased by 10%. What is the net percentage change? —
1% decrease
18.
Convert the mixed number 2 3/5 to an improper fraction. —
13/5
19.
Calculate: 25.5 * 4 —
102
20.
What is the sum of the smallest and largest 3-digit whole numbers? —
1099
21.
What is the smallest whole number that is divisible by both 4 and 6? —
12
22.
The sum of three consecutive whole numbers is 39. What is the middle number? —
13
23.
Calculate: 12.5 + 3.75 - 2.125 —
14.125
24.
If a number is multiplied by 7, the result is 105. What is the number? —
15
25.
What is 15% of 200? —
30
26.
What is the least common multiple (LCM) of 8 and 12? —
24
27.
What is the difference between 5.25 and 2.75? —
2.5
28.
Find the smallest fraction among 2/3, 3/4, 4/5, 5/6. —
2/3
29.
What is 1/3 of 75? —
25
30.
What is the sum of the first 5 even whole numbers? —
30
31.
If a number is added to itself, the sum is 50. What is the number? —
25
32.
What is the sum of the digits of the number 789? —
21
33.
Which fraction is equivalent to 0.6? —
3/5
34.
Which of the following numbers is divisible by 3, 4, and 5? —
60
35.
The difference between two whole numbers is 15. The sum of the two numbers is 55. What is the larger number? —
40
36.
A number is decreased by 20% and then increased by 20%. What is the net percentage change? —
4% decrease
37.
If 3/4 of a number is 30, what is the number? —
40
38.
What is the sum of the first 10 positive whole numbers? —
55
39.
Convert 1/5 to a percentage. —
20%
40.
Calculate: 100 / 0.5 —
200
41.
What is the product of the first three prime numbers? —
6
42.
What is the greatest common divisor (GCD) of 24 and 36? —
12
43.
Find the value of 3.14 * 20. —
62.8
44.
Which is greater: 7/10 or 0.701? —
0.701
45.
What is the reciprocal of 5/7? —
7/5
46.
Convert 0.875 to a fraction in its simplest form. —
7/8
47.
If 75% of a number is 60, what is the number? —
80
48.
If 2/5 of a quantity is 40, what is the whole quantity? —
100
49.
If a number is divided by 7, the quotient is 12 and the remainder is 3. What is the number? —
87
50.
What is the largest 4-digit whole number that is divisible by 10? —
9990