ANIMALS
SCIENCE
MATH
Riddles
ELA
100

What animal has the longest lifespan?

a.locust

b.giant tortoise

c.elephint

d.blue whale

b.giant tortoise

100

What is the most commonly diagnosed cancer in men?

Prostate

How?

There are more than 200,000 cases of prostate cancer in the U.S. alone. It mostly affects men over the age of 60.

100

Is 8128 a perfect number?

Answer: Yes, it is!
More information: Adding up the divisors of 8128: 1 + 2 + 4 + 8 + 16 + 32 + 64 + 127 + 254 + 508 + 1016 + 2032 + 4064 = 8128

100

Who makes it, has no need of it.
Who buys it, has no use for it.
Who uses it can neither see nor feel it.
What is it?

A coffin.

100

What is the pronoun in the sentence?

She received an award.

she

200

What percentage of all mammals are bats?

a.2%

b.1%

c.10%

d.20%

d.20%

200

What U.S. spider's poison is 15 times as powerful as rattlesnake venom?

The black widow

200

These are Jenny's math test scores: 98, 87, 82, 95, 93, 81, 100. What is the average?

91

200

What can travel around the world while staying in a corner?

A stamp

200

How would you make the following sentence into a compound sentence? 

The boy was sick. The boy went to the doctor.

,so

300

What is a flamingo's natural colour?

a.gray

b.blue

c.pink

d.green

a.gray

300

What Erdős number does Pierre-Simon Laplace have?

Pierre-Simon Laplace has an Erdős number of at most 14!

More information: According to "The Erdös number project" a path to Laplace was found by Leonid Yanushevich giving the famous mathematician an Erdös number of at most 14.

300

What is Bertrand Russell's Erdős number?

Answer: 3
More information: Russell collaborated very little and no Erdös number can be found using research articles. But, as pointed out by Sachi Sri Kantha at "the Erdös number project" Russell and Albert Einstein did coauthor the Russell-Einstein "Peace" Manifesto of 1955.

300

What runs all around a backyard, yet never moves?

A fence.

300

Which is an antonym of loud?

1.noisy

2.quiet

3.roaring

4.whisper

2.quiet

400

Native to the coasts of the northern and eastern North Pacific Ocean, which marine mammal is the heaviest member of the weasel family?

Sea Otter

400

What natural phenomena are measured by the Richter scale?

Answer: Earthquakes
More information: The Richter scale measures the size of Earthquakes. The formula, MB = log10(A/T) + Q(D,h), is used. The Richter scale ranges from 1-10. The highest recorded Earthquake was on May 22, 1960, in Southern Chile. The Richter scale of this Earthquake was 9.5.

400

What number comes next: 1, 11, 21, 1211, 111221, ...?

Answer: 312211
More information: John Conway's "look and say" sequence has no digits other than 1, 2, and 3 in it, unless the seed number contains such a digit or a run of more than three of the same digit. A degenerate sequence appears with the seed of 22.

400

What tastes better than it smells?

A tongue.

400

Change the noun to a possessive noun.

Ending of the book

1.book's ending

2.ending's book

3.book ending

4.books ending

1.book's ending

500

Believed to grow as large as 60 feet (18 meters), what is the largest species of shark currently living in the ocean?

Whale Shark (Rhincodon typus)

500

What percentage of mass does our Sun take up in our solar system?

99%

500

Which mathematician published more total pages of mathematics during his lifetime than any other mathematician in history?

Answer: Leonhard Euler.
More information: Swiss-born Euler is held to be one of the greatest mathematicians in history. He made pioneering contributions to several branches of mathematics and introduced much of the modern mathematical terminology and notation.

500

What has a bottom at the top?

Legs.

500

Which is the correct way to punctuate the following sentence:

My dad said clean your room.

1. My dad said, "clean your room."

2. My dad said "Clean your room"

3. My dad said, "Clean your room."

4. My dad said "clean your room."

3. My dad said, "Clean your room."

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