Q55 / 160 · AP EAMCET 2023 (18 May Shift 1) · Mathematics

The number of odd positive divisors of 67500 is

  • A
    $16$
  • B
    $18$
  • Correct answer
    C
    $20$
  • D
    $22$

Solution

$\because 67500=2^2 \times 5^4 \times 3^3$ No. of divisors $=(2+1)(4+1)(3+1)=60$ No. of odd positive divisors $=\frac{60}{(2+1)}=20$

Hence, the correct answer is option: 'C'.

More Permutation Combination Questions