##
**
Question
**

## A Mathematics Exhibition is being conducted in your School and one of your friends is making a model of a factor tree. He has some difficulty and asks for your help in completing a quiz for the audience. Observe the following factor tree and answer the following:

##
**
Question 1
**

##
What will be the value of x?

(a) 15005 (b) 13915 (c) 56920 (d) 17429

##
**
Question 2
**

##
What will be the value of y?

(a) 23 (b) 22 (c) 11 (d) 19

##
**
Question 3
**

##
What will be the value of z?

(a) 22 (b) 23 (c) 17 (d) 19

##
**
Question 4
**

##
According to Fundamental Theorem of Arithmetic 13915 is a

(a) Composite number

(b) Prime number

(c) Neither prime nor composite

(d) Even number

##
**
Question 5
**

##
The prime factorisation of 13915 is

(a) 5 × 11
^{
3
}
× 13
^{
2
}

(b) 5 × 11
^{
3
}
× 23
^{
2
}

(c) 5 × 11
^{
2
}
× 23

(d) 5 × 11
^{
2
}
× 13
^{
2
}