What is the <strong>LARGEST</strong> power of 10 that divides the product 29 \times 28 \times 27 \times ... 2 \times 1?
- A. 4
- B. 5
- C. 6 ✓
- D. 7
Correct Answer: C. 6
Explanation
The product is 29!. The power of 10 is determined by the number of trailing zeros, which is given by \lfloor 29/5 \rfloor + \lfloor 29/25 \rfloor = 5 + 1 = 6.
Related questions on Arithmetic
- What is the remainder when (17^{25} + 19^{25}) is divided by 18?
- A bottle contains spirit and water in the ratio 1:4 and another identical bottle contains spirit and water in the ratio 4:1. In what rat...
- Let P = 5^5 \times 15^{15} \times 25^{25} \times 35^{35} and Q = 10^{10} \times 20^{20} \times 30^{30} \times 40^{40}. What is the numbe...
- Two students X and Y appeared in a test. The score of X is 20 more than that of Y. If the score of X is 75% of the sum of the scores of X an...
- Question: The product of a natural number N and the number M written by the same digits of N in the reverse order is 252. What is the number...