Q1. when expressed in simplest form is:
A.

B.


C.

D.

Q2. The least number which is a perfect square and is divisible by each of the numbers 16, 20, and 24, is:
A. 6400  B. 14400 
C. 3600  D. 1600 
Q3. The sum of two numbers is 216, and their H.C.F. is 27. The numbers are:
A. 81, 189  B. 108, 108 
C. 154, 162  D. 27, 189 
Q4. The H.C.F of 204, 1190, and 1445 is:
A. 17  B. 4 
C. 6  D. 18 
Q5. L.C.M. of two prime numbers a and b (a > b) is 161. The value of 3b  a is:
A. 1  B. 1 
C. 2  D. 2 
Q6. The least number which when increased by 5 divisible by each one of 24, 32, 36 and 54, is:
A. 4320  B. 859 
C. 427  D. 869 
Q7. What is H.C.F. of 3556 and 3444 is:
A. 28  B. 26 
C. 23  D. 25 