Riddle 1
Riddle 2
Riddle 3
Riddle 4
Riddle 5
100
What is the next number in the sequence 2, 3, 5, 8, 13?
21
100
What is 7 + 7 ÷ 7 + 7 x 7 - 7 ?
50
100
It is a square number. It is an odd number. It is <50 and >20. What number is it?
49
100
How many 9’s are there between 1 and 100?
20
100
A school has 120 students. 75 of them play baseball, 60 play soccer, and 30 play both. How many students play neither sport?
15 students.
200
A couple went for a picnic. They have 5 sons, and each son has three sisters. Each sister has one baby. In total, how many people went to the picnic?
13
200
Find the next number in the series 7645, 5764, 4576, ..........
6457
200
There is a three digit number. The second is four times as big as the third number, while the first is three less than the second digit. What is the number?
141
200
What is half of 2 plus 2?
3
200
Look at this series: 53, 53, 40, 40, 27, 27, … What number should come next?
14
300
There are seven people at a party. They meet each other, and each of them shakes hands only once with each of the others. How many handshakes will there be in total?
21
300
Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation
2 + 5 = 3 + 4
300
3 monkeys share a bunch of bananas. The first monkey takes 3 bananas. The second monkey then takes half of the remaining bananas. The third monkey takes the last banana.
How many bananas were in the original bunch?
5
300
I am a number, but when you add ‘G’ to me, I go away. What number am I?
Gone
300
Turn me on my side, and I am everything. Cut me in half and I am nothing. What am I?
8
400
I am four times as old as my daughter. In 20 years’ time I shall be twice as old as her. How old are we now?
I am 40 and my daughter is 10
400
How can you add eight 8’s to get the number 1000?
888 + 88 + 8 + 8 + 8 = 1000
400
Two people have $100 in total. One has $40 more than the other. How much does each have?
$30 and $70.
400
9
400
Two fathers and two sons went fishing one day. At the end of the day, each of them had one fish. There were three fish in total. How is it possible?
Grandfather, Father, Son
500
Three animals, an elephant, a lion, and a monkey, are weighed in pairs on a scale:
The elephant and the 2 crocodiles together weigh 1,200 kg.
The 2 crocodiles and 4 monkeys together weigh 400 kg.
The elephant and 4 monkeys together weigh 1,000 kg.
What is the individual weight of each animal?
900 kg, Crocodile’s weight: 150 kg, Monkey’s weight: 25 kg
500
On a farm, there are ducks and cows. There are 18 legs and 7 heads in total. How many ducks are there?
5 ducks and 2 cows.
500
A person walks 3 km south, then 4 km east. What is the straight-line distance from their starting point?
5km
500
35
500
You are running a race with a group of people and pass the person in second place. What place would you be in now?
Second place