Number System Test 1
November 13, 2011
1. 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. The least perfect square, which is divisible by each of 21, 36 and 66 is:
A. 213444
B. 214344
C. 214434
D. 231444
3. Find the odd man out.
10, 25, 45, 54, 60, 75, 80
A. 10
B. 45
C. 54
D. 75