perplexus.info :: Numbers : Four Fives

Four Fives (Posted on 2024-06-28)

Make the following equations true, using parentheses and only the four basic arithmetic operations, viz: +,-, x and /.

5    5    5    5   = 30
5    5    5    5   = 50
5    5    5    5   = 55
5    5    5    5   =120

Submitted by K Sengupta

Rating: 5.0000 (1 votes)

Solution: (Hide)

(5 + 5/5) * 5 = 30 5 * 5 + 5 * 5 = 50 (5 + 5) * 5 + 5 = 55 5 * 5 * 5 - 5 = 120

Comments: ( You must be logged in to post comments.)

	Subject	Author	Date
	solution	Charlie	2024-06-28 10:05:45

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (0)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info