Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case
A. 
4
B. 
7
C. 
9
D. 
13
2.
Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together?
A. 
4
B. 
10
C. 
15
D. 
16
3.
Find the HCF of 4 x 27 x 3125 , 8 X 9 x 25 x 7 and 16 x 81 x 5 x 11 x 49 .
A. 
540
B. 
1260
C. 
180
D. 
360
4.
What is the greatest number of three digits which when divided by 6, 9 and 12 leaves a remainder of 3 in each case.
A. 
975
B. 
939
C. 
996
D. 
972
5.
The greatest number of four digits which is divisible by 15, 25, 40 and 75 is: