HCF LCM exponents squares and square roots. - One Line Questions
1.
What is the value of 5^-2? —
1/25
2.
What is the value of 10^0? —
1
3.
What is the value of 3^2 * 3^0? —
9
4.
What is the square root of 0.0004? —
0.02
5.
What is the square of 0.5? —
0.25
6.
The square root of 0.81 is: —
0.9
7.
What is the square root of 1.21? —
1.1
8.
What is the smallest number that must be added to 250 to make it a perfect square? —
1
9.
Simplify 6^4 / 6^3. —
6
10.
What is the smallest number by which 200 must be multiplied to get a perfect square? —
2
11.
The HCF of two prime numbers is always: —
1
12.
What is the value of 100^0.5? —
10
13.
What is the HCF of 13 and 17? —
1
14.
What is the square root of 1/16? —
1/4
15.
What is the value of 2^5? —
32
16.
What is the square root of 144? —
12
17.
If the product of two numbers is 120 and their HCF is 10, what is their LCM? —
12
18.
What is the smallest number that divides 48, 60, and 72 exactly? —
240
19.
Which of the following is a perfect square? —
121
20.
The sum of the squares of the first three odd natural numbers is: —
50
21.
What is the least common multiple (LCM) of 8 and 12? —
24
22.
What is the highest common factor (HCF) of 12 and 18? —
6
23.
The number of digits in the square root of 14400 is: —
3
24.
The HCF of 18 and 42 is: —
6
25.
Find the largest number that divides 62 and 132 without leaving a remainder. —
2
26.
If 3^x = 81, then x is equal to: —
4
27.
The HCF of 98 and 126 is: —
14
28.
Express 1/8 as a power of 2. —
2^-3
29.
What is the square of 15? —
225
30.
What is the square root of 576? —
24
31.
Find the HCF of 45 and 75 using prime factorization. —
15
32.
What is the value of 81^(1/4)? —
3
33.
Simplify (3^4) / (3^2). —
3^2
34.
What is the square root of 12.25? —
3.5
35.
Find the LCM of 15 and 20 using prime factorization. —
60
36.
Find the square root of 1024. —
32
37.
What is the LCM of 5, 7, and 10? —
70
38.
What is the smallest perfect square divisible by 4, 6, and 9? —
36
39.
Find the HCF of 24, 36, and 60. —
12
40.
What is the value of (4^3)^2? —
4^6
41.
Which of the following numbers does NOT have a square root that is a whole number? —
500
42.
Which number is the smallest perfect square greater than 50? —
64
43.
If the LCM of two numbers is 50 and their HCF is 5, and one of the numbers is 10, what is the other number? —
25
44.
Express 5 x 5 x 5 x 5 in exponential form. —
5^4
45.
The LCM of 12 and 18 is: —
36
46.
Find the LCM of 6, 8, and 10. —
120
47.
The LCM of 14 and 21 is: —
42
48.
What is the value of 7^1 * 7^2? —
7^3
49.
Simplify (a^m * a^n) / a^p. —
a^(m+n-p)
50.
What is the LCM of any two consecutive integers? —
Their product