Wednesday 30 November 2011

DAY 376

A horse walks a certain distance each day. On one day the horse's inside legs walked 30 miles, but its outside legs walked nearly 31 miles. How is this possible?

Answer:

The horse walks in a circle. The diameter of the circle is greater for the outside legs than for the inside ones. Therefore, the circumference of the circle is greater.

Tuesday 29 November 2011

DAY 375

A horse weighs 600 pounds plus 1/3 of its own weight. How much does the horse weigh?

Answer:

900 pounds .......... 600 pounds = 2/3 of its weight.
DAY 374

A storage bin is 1/3 full of grain. After 100 kg of grain are added, the bin is 1/2 full. How much can the bin hold?

Answer:

600 kg .......... 1/2 - 1/3 = 100 ......... or 3/6 - 2/6 = 100 ........... so 1/6 = 100 kg.
DAY 373

There are 10 types of people in the world: Those who understand binary and those who don't.

Thursday 17 November 2011

DAY 372

THE CAR WASH

Three cars go into a car wash. For each car to complete the cycle, it must go through all three of the following steps, in the right order. Each stage takes one minute to complete.

Step 1: Rinse
Step 2: Wash
Step 3: Dry

How long does it take for all three cars to complete the cycle?

Answer:

5 minutes ........... It is not necessary for the second car to wait until the first car has completed the cycle. The third car enters the Rinse step at the beginning of minute three.

Wednesday 2 November 2011

DAY 371

If you count 20 houses on your right as you walk to school, and 20 houses on you left as you walk home (following the same route), how many houses have you counted?

Answer:

20 (The houses on your right on the way to school are the same houses on your left as you walk home.)
DAY 370

In a normal square room, there are 2 cats in each corner. Opposite each cat are 2 cats, and next to each cat is 1 cat. How many cats are in the room?

Answer:

There are 8 cats in the room.