616 views
A product costs $100 and is sold at a 20% profit. What is the selling price?
10 months ago
Questions & Answers
546 views
You have a 1-liter and a 2-liter cup and unlimited water. How to get exactly 1.5 liters?
10 months ago
403 views
Two trains start 100 km apart, speeds 40 and 60 km/h toward each other. When they meet, how far has a fly flying at 80 k...
10 months ago
640 views
A rectangle measures 6 by 10; how many squares of side 2 fit without overlap?
10 months ago
508 views
You cut a cake into 8 equal pieces with only 3 cuts. How?
10 months ago
693 views
A digital clock displays time using three 7-segment digits (H:MM from 1:00–9:59). How many segments are lit at 1:11?
10 months ago
468 views
You have 9 balls; one is heavier. Minimum balance weighings to find it?
10 months ago
606 views
A man dies on his 24th birthday from old age. How?
10 months ago
458 views
You meet two people from a “truth-tellers/liars” island. One says, “We are both liars.” What are they?
10 months ago
380 views
A snail climbs 3 ft by day, slips 2 ft by night up a 10 ft well. Days to escape?
10 months ago
399 views
You have 12 coins; one is counterfeit (heavier or lighter). With 3 weighings, can you find it and know if it’s heavier o...
10 months ago
513 views
A cube is painted on all sides and cut into 27 small cubes. How many have exactly one face painted?
11 months ago
634 views
Three people check into a $30 room. Clerk later returns $5; bellboy keeps $2 and gives $1 each back. They paid $27; plus...
11 months ago
502 views
You have two ropes that each burn in 1 hour but not at a uniform rate. How to measure 45 minutes?
11 months ago
759 views
You have 10 bags of coins; one bag has counterfeit coins weighing 9 g each; real coins weigh 10 g. With one weighing, ho...
11 months ago
669 views
A merchant can place 8 large boxes or 10 small boxes in a carton. Each shipment is one full carton. He sent 96 boxes tot...
11 months ago
414 views
How many times do clock hands overlap in 12 hours?
11 months ago
590 views
You’re running a race and pass the person in second place. What place are you now in?
11 months ago
593 views
The day before two days after the day before tomorrow is Saturday. What day is it today?
11 months ago
573 views
A doctor gives you three pills and says to take one every 30 minutes. How long do they last?
11 months ago