Fun Riddle Quiz

1. What is the next number?

1,1,2,3,5,8,13,21,...

This is the sequence of Fibonnacci. You have to add the last 2 numbers.
1, 1| The next number will be 2, because you add 1+1 = 2.

And the question requested:
13, 21... 13+21 = 34.

Explanation

This is the sequence of Fibonnacci. You have to add the last 2 numbers.
1, 1| The next number will be 2, because you add 1+1 = 2.

And the question requested:
13, 21... 13+21 = 34.

Submit

2. What is the next number?

1 , 4, 9, 16, 25, 36, 49, 64, 81, 100, ...?

110

115

121

123

125

All the sequence is the full numbers in sequence: 1, 2, 3, 4, 5... but each one elevated by square. 1², 2² , 3².. so the sequence is: 1 , 4, 9, 16, ...

Explanation

All the sequence is the full numbers in sequence: 1, 2, 3, 4, 5... but each one elevated by square. 1², 2² , 3².. so the sequence is: 1 , 4, 9, 16, ...

3. There are two farmers, and both have sheep. The first says to the second: -If you give one sheep, we'll have the same quantity of sheep. And the second one says: - No, if you give one sheep of yours, I'll have the double of sheep than you. How many sheep does each farmer has?

Let's use variables to represent the number of sheep each farmer has:

Farmer 1 has 'x' sheep.

Farmer 2 has 'y' sheep.

Translate the statements into equations:

Statement 1: "If you give one sheep, we'll have the same quantity of sheep." This means x + 1 = y - 1

Statement 2: "No, if you give one sheep of yours, I'll have the double of sheep than you." This means y + 1 = 2(x - 1)

Now we have a system of two equations:

x + 1 = y - 1

y + 1 = 2(x - 1)

Solve for x and y:

Rearrange the first equation to get: y = x + 2

Substitute this value of y into the second equation: (x + 2) + 1 = 2(x - 1)

Simplify and solve for x: x + 3 = 2x - 2 => 5 = x

Substitute the value of x back into either of the original equations to find y. Let's use y = x + 2: y = 5 + 2 => y = 7

Answer:

Farmer 1 has 5 sheep.

Farmer 2 has 7 sheep.

Explanation

Let's use variables to represent the number of sheep each farmer has:

Farmer 1 has 'x' sheep.

Farmer 2 has 'y' sheep.

Translate the statements into equations:

Statement 1: "If you give one sheep, we'll have the same quantity of sheep." This means x + 1 = y - 1

Statement 2: "No, if you give one sheep of yours, I'll have the double of sheep than you." This means y + 1 = 2(x - 1)

Now we have a system of two equations:

x + 1 = y - 1

y + 1 = 2(x - 1)

Solve for x and y:

Rearrange the first equation to get: y = x + 2

Substitute this value of y into the second equation: (x + 2) + 1 = 2(x - 1)

Simplify and solve for x: x + 3 = 2x - 2 => 5 = x

Substitute the value of x back into either of the original equations to find y. Let's use y = x + 2: y = 5 + 2 => y = 7

Answer:

Farmer 1 has 5 sheep.

Farmer 2 has 7 sheep.

Submit

4. In one side of the river, there are the father and his 2 sons. The father has 200 lbs and the each son have 100 lbs. And there a boat in the river that supports 200 lbs. The question is: how many times the boat have to cross the river for the 3 persons being in the another side of the river, without does the boat sink?

PS: two crossings in the rivers it's considered go and back with the boat.

1

3

5

7

9

5. My name is uncle, and your name is father. Who is the mother?

Sister-in-law

My wife

My mother

My sister

I don't know