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Terribly Challenging Enigmatic Problems
100

9,257.216  What place is the bolded digit in?

hundredths

100

Expanded form: 12.24

(1 x10) + (2 x 1) + (2 x 1/10) + (4 x 1/100)

100

The value of the bolded digit in 3,454

4

100

The 2 in 21.5 and 1.25

The 2 in 21.5 is 100 times greater than the 2 in 1.25. 

100

A grandfather, two fathers and two sons went to the movie theater together and everyone bought one movie ticket each. How many tickets did they buy in total?

3 (the grandfather is also a father and the father is also a son)

200

1,464.384   What is the place of the bolded digit?

tens

200

Standard form: 

(2 x 1) + ( 5 x 1/10) + (8 x 1/1000)

2.508

200

The value of the bolded digit in 23.407

0.4 or 4/10

200

The 3 in 7.003 and 43.756

The 3 in 7.003 is 1/1000 of the 3 in 43.756

200

If you buy a rooster for the purpose of laying eggs and you expect to get three eggs each day for breakfast, how many eggs will you have after three weeks?

Zero, roosters do not lay eggs

300

1.457 What is the place of the bolded digit?

thousandths

300

Standard Form:

Twenty-two and thirty-five thousandths

22.035

300

The value of the bolded digit in 145.089

0.009 or 9/1000

300

Order Greatest to least: 1.217  1.201 1.27  1.271

1.271 1.27 1.217 1.201

300

A little boy goes shopping and purchases 12 tomatoes. On the way home, all but 9 get mushed and ruined. How many tomatoes are left in a good condition?

9

400

2,789,403.0What is the place of the bolded digit?

hundredths

400

Standard form: 

474 tenths + 2 hundredths + 5 thousandths

47.425

400

The value of the bolded digit in 24,908.005

900

400

The 4 in 10,546.9  and 4,056.77

The 4 in 10,546.9 is 1/100 of the 4 in 4,056.77

400

If it took 6 people 9 hours to build a barn, how long would it take 12 people to build the same barn?

None, the barn is already built!

500

If letters were numbers, A would equal 1. 

What is the place of the first digit in the word: Terrific

205,181,893


The place is hundred millions

500

1,203.407 was written in expanded form as 

(12 x 100) +  ( 34 x 1/100) + (7 x 1/1000)

Find the error. 

34 x 1/100 should be 34 x 1/10

500

What would the value of 5 be if it was in the thousandths place and it was multiplied by 100,000?

500

500

Take this number: 1,423,678

Create the largest and smallest number by reorganizing the digits. 

Largest: 8,764,231

Smallest: 1,234,687

500

This number has:

a 0 in the hundredths place

The tenths and thousandths are odd numbers and have a difference of 2

The tens place is 3 less than the thousandths and greater than 1. 

If you add the ones and the tenths you would get 10. 

27.305