Exam number 3

Fill in the blank with the suitable number

Question 1:
The sum of two numbers is 98 and their difference is 24. The greater number is 

Question 2:
Fill missing number in the blank
41165+23042=23042+

Question 3:
Fill missing number in the blank 
(32514+16257)+23459=+(16257+23459)

Question 4:
Calculate: 91625 – 27356= 

Question 5:
If a square has one side’s length is 12cm then its perimeter is cm

Question 6:
If the perimeter of a square is 104m then its one side’s length is m

Question 7:
Find x such that x+24360=41256
Answer: x=

Question 8:
Find y such that y – 12358=18031 
Answer: y=

Question 9:
Find the value of n such that 
Answer: n=

Question 10:
Find the value of b such that 
Answer: b=

Exam number 2

Fill in the blank with the suitable number

Question 1
Find the value of 
Answer: ........

Question 2
Fill missing number in the blank
54723+........=27849+54723

Question 3:
Fill missing number in the blank
41165+23042=23042+.........

Question 4:
Calculate: 4159+2615+421=.........

Question 5:
Find x such that x+24360=41256
Answer: x=........

Question 6:
If the perimeter of a square is 104m then its one side’s length is : ........ m

Question 7:
If a square has one side’s length is 12cm then its perimeter is : ........ cm

Question 8:
Find y such that y – 12358=18031 
Answer: y=............

Question 9:
The perimeter of a rectangle is 36cm and its length is 6cm more than its width. Its area is : ........

Question 10:
Find the value of b such that b5 x 5 = 75
Answer: b=.........

ill in the blank with the suitable number

Question 1:
Find x such that x:6=13
Answer: x =

Question 2:
How many goldfish are there?

Answer: There are goldfish.

Question 3:
Convert: 6cm = mm

Question 4:
If x:5=32 then x =

Question 5:
There are six students in a drawing class. Each student draws a picture as same as the picture below. How many stars do they draw in all?


Answer: They draw stars in all.

Question 6:
The perimeter of the triangle below is cm

 

Question 7:
Jennifer has 4 chocolate boxes. There are 12 chocolate bars in each box. How many chocolate bars does she have?
Answer: She has chocolate bars.
 

Question 8:
Find y such that y:6=32:4
Answer: y =

Question 9:
A even 2 – digit number has a digit 4 in the tens place.It is greater than 46. What is it?
 Answer: It is

Question 10:
The product of 40 and a number, m, is a 2- digit number that greater than 40. The value of m is

Question 1:
P is a prime number and a factor of 8. What is P?
Answer: P = 

Question 2:
The greatest even factor of 62 is 

Question 3:
The smallest multiple of 47 is 

Question 4:
K is a prime number and a multiple of 43. What is K?
Answer: K = 

Question 5:
The number 55 has  factors.

Question 6:
In the following numbers, which has the most factors?

Answer: 

Question 7:
In the following figure, AN = 5cm and AB = 8cm. NB = cm
 

Question 8:
Find the sum of all the factors of 19
Answer: 

Question 9:
Find  such that .
Answer: .

Question 10:
Find n such that n and n + 1 are factors of 40
Answer: n = 

help

Bottle A contains 15% syrup. Bottle B contains 40% syrup. When these 2 bottles of syrup are mixed, the syrup content is 30% and the total volume is 600ml. How much syrup is in the bottle A at first?

Let ABCD be a trapezoid with bases AB, CD and O be the intersection of AC and BD. If the areas of triangle OAB, triangle OCD are 16cm², 40cm²respectively and M is the midpoint of BD, then the area of the triangle AMD is .........cm².

Suppose that the polynomial f(x) = x⁵ - x⁴ - 4x³ + 2x² + 4x + 1 has 5 solutions x₁; x₂; x₃; x₄; x₅. The other polynomial k(x) = x² - 4.
Find the value of P = k(x₁) x k(x₂) x k(x₃) x k(x₄) x k(x₅)

Question 2:
The number of factors of 120 is

Question 5:
Find four integer numbers a,b,c,d such that
a + b + c + d = 1
a + c + d = 2
a + b + d = 3
a + b + c = 4
Answer: (a;b;c;d)=() 

Question 6:
The 215^th  term of the expression A=1-7+13-19+25-31+⋯ is

Question 7:
A natural number will be increased by 9 times ifthe digit 0 is written between tens digit and units digit.The number is

Question 8:
Calculate: 1×2+2×3+⋯+100×101=

Question 9:
The root of the equation (x+1)+(x+2)+(x+3)+⋯+(x+100)=5750 is x=

Question 10:
The sum of digits of 3¹⁰⁰⁰ is A,the sum of digits of A is B,and the sum of digits of B is C.The value of C is