The numbers 1, 3, 5,........., 25 are multiplied together. The number of zeros at the right end of the… · ABC26GN0228
Subject: General Aptitude · Chapter: Number System · Exam: R.R.B. 2006
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.