A
prime number is a natural number that has _________.
A) Exactly one factor
B) Exactly two factors
C) More than two factors
D) None of the above
Explanation: A prime number is a whole number greater than 1 with only two factors – themselves and 1.
A prime number cannot be divided by any other positive integers without leaving a remainder, decimal or fraction.
An example of a prime number is 13. Its only divisors are 1 and 13. 
When x = 2, y= -3 and z= -5, then he
value of 3 x-4y – z is:
A) -1
B) -11
C) 13
D) 23
Explanation: To find the value of the expression 3x - 4y - z when x = 2, y = -3, and z = -5, we substitute these values into the expression:
3(2) - 4(-3) - (-5)
Simplifying the expression:
6 + 12 + 5
Combining like terms:
18 + 5 = 23
Therefore, when x = 2, y = -3, and z = -5, the value of 3x - 4y - z is: D) 23
The weight of 25 bags of sugar is
650 kg. find the weight of 50 bags of sugar?
a) 700
b) 900
c) 1100
d) 1300
Find
the greatest number of students in a room to accommodate 135, 180 and 225
students completely.
A) 27
B) 36
C) 45
D) 54
Explanation: To find the greatest number of students that can be accommodated completely in a room, we need to find the greatest common divisor (GCD) of the given numbers (135, 180, 225).
The prime factorization of the numbers is as follows:
135 = 33 × 5
180 = 22 × 32 × 5
225 = 32 × 52
To find the GCD, we take the highest power of each common prime factor: GCD = 32 × 5
= 9 × 5 = 45
Therefore, the greatest number of students that can be accommodated completely in a room is: C) 45
The terms whose variables as well as the exponents of those variables are the same are called……..
a) Like terms
b) Unlike terms
c) Constant
d) Sentence
