Answer: 888 + 88 + 8 + 8 + 8 = 1,000. This is the kind of math riddle you can work out with times tables, or by simple logic. First, get as close to 1,000 as you can (888). From there, it’s easy to ...
Explanation: To kill 7 rats, it would take 7 cats: 7 × 7 = 49 mins To kill 1 rat, it takes 1 cat, that is: 49/7 = 7 mins Since, the job is to kill 100 rats, it would take 1 cat, that is: 7 × 100 = 700 ...