Number Riddles 1
Number Riddles 2
WP 1
Number Riddles 3
100

Seven times a number plus 4 is 25. What is the number?

3

100

The sum of two consecutive odd integers is 36. What are the two odd integers?

17, 19

100

The temperature outside is 32˚. It is expected to fall 5˚ each hour for the next several hours. In how many hours will the temperature be 17˚?

3

200

Twenty less than twice an integer is 10. What is the number?

15

200

Eight less than ten times a number is 82. What is the number?

9

200

Ritchie saved $225 from his summer job. He spends about $25 per week on lunch and entertainment. After how many weeks will he run out of money?

9

200

Find three consecutive odd integers whose sum is 117.

37, 39, 41

300

The quotient of x and 2 minus 5 is 3. What is the number?

16

300

The difference between twice a number and 9 is 17. What is the number?

13

300

A gym is $50 to join plus $30 per month. If you have $230, how many months can you join?

6

300

Find three consecutive even integers whose sum is 396.

130, 132, 134

400

Thrice an integer less 5 is 10. What is the number?

5

400

Twenty more than three times a number is -4. What is the number?

-8

400

Montana is losing weight for wrestling. He weighs 155 lbs. He has four weeks to get down to 139 lbs. How much does he have to lose each week?

4

500

The sum of three consecutive integers is 33. What are the three integers?

10, 11, 12

500

The quotient of a number and -4, less 8, is -42. What is the number?

136