1. 
If x, y and z are odd integers then which of the following is necessarily false? 


1. 
HCF of two number is 15 and their LCM is 180. If their sum is 105, then the numbers are 


1. 
Consider 3 consecutive prime integers. Twice the first integer is 5 more than the third integer and second is 4 less than the third integer. Sum of the integers is 41. Find the smallest integer among the three. 


1. 
Number Systems 

