Math Riddles
2 years ago
regerk
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• Question 1
30 seconds
Q.

Add me to myself and multiply by 4. Divide me by 8 and you will have me once more. What number am I?

any number

all even number

all odd numbers

25

• Question 2
30 seconds
Q.

There is a three digit number. The second digit is four times as big as the third digit, while the first digit is three less than the second digit. What is the number?

234

141

575

267

• Question 3
30 seconds
Q.

How many 9's are there between 1 and 100?

10

99

13

20

• Question 4
30 seconds
Q.

In two years I know, I'll be twice as old as five years ago, said Tom. How old is Tom?

14

10

12

8

• Question 5
30 seconds
Q.

What is half of two plus two?

1

2

3

6

• Question 6
30 seconds
Q.

Mom and dad have four daughters, and each daughter has one brother. How many people are in the family?

3

2

4

7

• Question 7
30 seconds
Q.

If 1/2 of 5 is 3, then what is 1/3 of 10?

2

4

8

10

• Question 8
30 seconds
Q.

Does a pound of gold or a pound of feathers weight more?

feathers

gold

• Question 9
30 seconds
Q.

What 3 positive numbers give the same result when multiplied and added together?

1, 3, and 4

1, 2, and 3

4, 5, and 6

4,6, and 7

• Question 10
30 seconds
Q.

A merchant can place 8 large boxes or 10 small boxes into a carton for shipping. In one shipment, he sent a total of 96 boxes. If there are more large boxes than small boxes, how many cartons did he ship?

10 total cartons and 95 boxes

12 total cartons and 45 boxes

13 total cartons and 92 boxes

11 total cartons and 96 boxes

• Question 11
30 seconds
Q.

Three brothers live in a farm. They agreed to buy new seeds: Adam and Ben would go and Charlie stayed to protect fields. Ben bought 75 sacks of wheat in the market whereas Adam bought 45 sacks. At home, they split the sacks equally. Charlie had paid 1400 dollars for the wheat. How much dollars did Ben and Adam get of the sum, considering equal split of the sacks?

• Question 12
30 seconds
Q.

Take a look at the figure. How triangles can you find?