How many unique positive odd integers less than 110 are equal to the product of a positive multiple of 5 and an odd number?
Choose the most appropriate option
A) 4	B) 6	C) 11	D) 12	E) 15
The Question basically asks how many positive odd integers less than 110 are odd multiples of 5   So we have 5,15,25,35,45,.. and 105   =11   Ans 11
<result>C</result>
How many unique positive odd integers less than 110 are equal to the product of a positive multiple of 5 and an odd number?