Happy new semester for all.. Hope that it full of success and happiness Our new problem is about  “Merchant’s Gold”… A rich merchant had collected many gold coins. He did not want anybody to know about them. One day, his wife

Answer: The only volume we know is for the coffee, 200ml, so that’s the starting point. We also know the final coffee is to be 20% milk, but that also means it is 80% coffee , so 80% = 200ml. That also means 20% = 50ml (80%/4=200ml/4), so he ne

Fred had just started work in Hotel Plush and was dealing with a demanding but important guest. “Pour my coffee, boy! I want exactly 200ml coffee to which you will add enough full cream milk to make it 20% milk. Do it correctly and you may go a

7 minutes. In the first 30 seconds, Dave rings one other person, call him A. In the second 30 seconds, Dave rings B, and leaves the building. A rings C. 3rd: A rings D, and leaves. B and C ring E and F. 4th: B and C ring G and H. D, E and F [...]

Dave, the janitor of an apartment block, notices that the boiler pressure is rising, and will shortly explode. He phones two of the residents, tells them the news, asks them to do the same and phone just two more people, and then get out of the build

Answer: Mr. Smith bought 4 boxes of almond chunky, 2 boxes of chewy chocolate chip, and 3 boxes of super special raisin nut granola bars. 4*8+2*10+3*12=88. Winners: First: Mohammed ElMorsy Second: Abdullah Mhmoud Najuib Third: Ahmed Hassan Khalaf The

Mr. Smith needs snacks for all the students going on a field trip. He bought 9 boxes of granola bars containing a total of 88 bars. He wanted variety, so he purchased 3 different flavors, which happened to come from 3 different companies. The almond

Answer: Day One: You make your first cut at the 1/7th mark and give that to the worker. Day Two: You cut 2/7ths and pay that to the worker and receive the original 1/7th in change. Day three: You give the worker the 1/7th you received as change on th

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the

Answer: 1 sheep – 1 dog = 1 goat + 1 dog 1 sheep – 1 goat = 2 dogs A sheep is 10 dinars, but what does a goat cost? The money they received for their camels is a square. And the digit in the tens-place of this square is odd (total money /