Question : How many positive factors of 40 are there?
Option 1: 3
Option 2: 12
Option 3: 6
Option 4: 8
Correct Answer: 8
Solution : 40 = 2 3 × 5 If N = a m × b n , where a and b are prime numbers, the number of positive factors of N = (m+1) × (n+1) The number of positive factors of 40 = (3+1) × (1+1) = 8 Hence, the correct answer is 8.
Result | Eligibility | Application | Selection Process | Cutoff | Admit Card | Preparation Tips
Question : How many positive factors of 36 are there?
Question : How many controls are there globally that influence the climate of a particular zone?
Question : How many principles are in the UN Charter?
Question : If $x:y::2:3$ and $2:x::4:8$, then the value of $y$ is:
Question : How many feet has a crab got?
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile