DAY 320

Add nine 8's to get 9,000.

Answer:

8888 + 88 + 8 + 8 + 8 = 9000

DAY 319

What is the 1,000th prime number?

Answer:

7, 919

DAY 318

A 20-question test had a possible score of 200 points. 10 points were given for each correct answer and 5 points were deducted for every wrong answer. Your score was 140. How many questions did you get wrong?

Answer:

4..........A score of 140 means you lost 60 points. For every wrong answer, you lose 10 points plus the 5-point penalty, or 15 points. 60/15 = 4

DAY 317

You have two magic pills. One increases your life span by 10% and the other decreases it by 10%. You don't know which pill is which. You take one of the pills. But then you start to worry, so you take the other one to counteract it. Will you now have a normal life span?

Answer:

No......... 1.1 X 0.9 = 0.99

You've lost 1%.

DAY 316

Jim worked overtime and earned an extra $700. This tripled his normal pay. What was his normal pay?

Answer:

$350

Let x = normal pay

x + 700 = 3x

DAY 315

Friends A, B, and C have 100 baseball cards between them. A has twice as many as B, and 10 more than C. How many cards does each person have?

A = 44

B = 22

C = 34

A = A

B = A/2

C = A -10

A + B + C = 100

A + A/2 + (A-10) = 100

2A + A + 2A - 20 = 200

5A = 220

A = 44

B = 22

C = 34

DAY 314

Why do so many alarm clocks have a 9-minute "snooze" interval?

Answer:

After nine minutes, the last digit of the time will be one less that it was nine minutes before (6:15 + 9 minutes = 6:24). Having to monitor only one digit must somehow simplify the electronics of the clock.