Permutations And Combinations Ques 59
- Number of divisors of the form $(4 n+2), n \geq 0$ of the integer 240 is
(1998, 2M)
4
8
10
3
Show Answer
Answer:
Correct Answer: 59.(a)
Solution:
Formula:
Combinations of identical objects:
- Since, $240=2^{4} \cdot 3 \cdot 5$
$\therefore$ Total number of divisors $=(4+1)(2)(2)=20$
Out of these 2, 6, 10, and 30 are of the form $4n+2$.
BETA
