
Question 1 
What is the G.C.F of two consecutive even numbers? 
A.  2  B.  4 
C.  1  D.  3 
 
  

Question 2 
What is the largest devisor, which divides the numbers 220, 313 and 716, and leaves remainder 3 in each case? 
A.  12  B.  31 
C.  10  D.  3 
 
  

Question 3 
Find a measuring tape of the largest length, which can measure 78 m, 91 m and 104 m exactly. 
A.  19 m.  B.  10 m. 
C.  18 m.  D.  13 m. 
 
  

Question 4 
Find the largest number, which is a factor of each of the following numbers.
504, 792 and 1080. 
A.  32  B.  45 
C.  72  D.  80 
 
  

Question 5 
Find the GCF of 21 and 104. 
A.  10  B.  3 
C.  5  D.  1 
 
  


Question 6 
There are 450 and 630 students in grades 6th and 7th. Students in both grades are divided into multiple groups with equal number of students in each group. Find the maximum number of students each group can have. 
A.  40 students  B.  90 students 
C.  60 students  D.  92 students 
 
  

Question 7 
Which of the following set of numbers can be divided exactly by 17? 
A.  69, 102, 167  B.  51, 102, 177 
C.  51, 118, 167  D.  51, 102, 170 
 
  

Question 8 
The greatest common factor of 100 and 30 is _____. 
A.  12  B.  20 
C.  10  D.  30 
 
  

Question 9 
Polly has a large dollhouse of size 630 cm x 515 cm x 345 cm. Which largest possible rod should she use that can measure the these dimensions exact number of times? 
A.  8 cm  B.  10 cm 
C.  5 cm  D.  12 cm 
 
  

Question 10 
Three juice tanks contain 220 liters, 340 liters and 460 liters of juice respectively. What is the maximum capacity of a container that can measure the juice of all three tanks exact number of times? 
A.  40 liters  B.  100 liters 
C.  10 liters  D.  20 liters 
 
  
