Subject: General Aptitude · Chapter: Number System · Exam: 2006 · Marks: · Difficulty:
The numbers 1, 3, 5, ........., 25 are multiplied together. The number of zeros at the right end of the product is
(a)0
(b)1
(c)2
(d)3
Answer
Answer (as printed): A
Explanation
Clearly, multiples of 2 and 5 together yield 0. Since the product of odd numbers contains no power of 2, so the given product does not give 0 at the unit place.
Explanation as extracted from the printed page; notation may be imperfect.