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WorksheetsReal challenging questions
Total questions: 50
Worksheet time: 19mins
There were 11 puzzle pieces on a table, but in total there were 15 puzzle pieces. How many more puzzle pieces were needed?
(4 puzzle pieces make up 1 whole.)
(a)
A cleaner took 2 hours to clean the toilet. She took 6 hours to clean the school. How long would she take to clean the eco garden?
10 hours
12 hours
2 hours
4 hours
A one-storey house was painted purple. The furniture was purple, the walls were purple, even the floors were purple! What colour are the stairs?
(a)
What is 6×1?
6
7
王(King in Chinese)
Window
Luigi went to a club but he needed a password to get in. He stood aside and watched people enter. Person A came and the guard said, "12" and Person A said, "6" and the guard let him in. Person B came and the guard said, "6" and Person B said, "3" and the guard let him in. Luigi understood the password, so he walked up to the guard and the guard said, "10" and Luigi said, "5" but he was wrong. What is the answer?
(a)
Hadocock is located north from Kaldekot which is south-west from Gdorna. Which direction is Gdorna?
South-west
West
South-east
North-west
A 2B pencil is three times sharper than a 4B pencil which is two times blunter than a ballpoint pen. Which is the sharpest if a fountain pen is two times sharper than a 4B pencil?
2B pencil
fountain pen
ballpoint pen
4B pencil
A:B:C.
I want to buy a wallet that cost $28.
How much do I have?
$28
$15
$3
$36
A ballpoint pen and 3 fountain pens cost $238.
2 ballpoint pens and a fountain pen cost $136.
How much does 3 pencils cost?
$102
$51
$153
$85
Not possible to tell
At night I appear, even though I am not called.
In the morning, I disappear, even though nobody stole me.
What am I?
Jewellery
Stars
Moon
None of the above
When I was eating lunch, Mark was standing 5 feet away from me. Luke was standing 11 feet away from him. Thomas was standing 3 feet in front of Mark. Matthew was standing 2 feet in front of Luke and 12 feet away from Thomas.
a) Who was standing the closest to me?
b) Who was standing the furthest from me?
a) Matthew
b) Luke
a) Thomas
b) Mark
a) Luke
b) Matthew
a) Mark
b) Thomas
a) Thomas
b) Luke
What MRT stations are the most popular in Singapore?
Toa Payoh
Serangoon
Tampines
Fort Canning
Bendemeer
An organ has 7744 keys. If there are only 62 black keys, what is left?
88
7682
1 row of keys
White keys
The Roman number of 12 is XII. What is the Roman number of 29+75? (Whoops, no Roman clock picture to help.)
(a)
I am not a mime but I cannot speak. I am not deaf but I cannot hear. I am not blind but I cannot see. Who am I?
(a)
“OUCH!”
Who could have said this?
Clumsy person
Geronimo Stilton
Spongebob Squarepants
Minnie Mouse
A fisherman caught 22 fish.
11 of them were salmon, 8 of them were catfish and 23 of them were other types of fish.
How many fish were goldfish?
18
16
6
27
If the world runs out of oxygen for 20 seconds, time will stop for 30 seconds. What is the reason behind this?
(a)
A horizontal photo frame consists of 137 pictures. A big picture divides an equal amount of pictures on each side. After 1/4 of the pictures on the left is moved to the right, the left side has 34 more pictures than the right. How many pictures were on the right side now?
85
42
69
51
76
Are you able to crack the code?
fsc:/gorg/deGorg(fs3)
E=ms3(vmg)
1+1+2+2+3+3+4+4+5+5+6+6+7+7
hcjjdksjdkwjskajsksjcksncjshckshckscnksnckdhckhcjk#&$@$&
During World War 1, there was only a few survivors. During World War 2, there were hundreds of survivors. How many survivors will there be in World War 3?
6
1
2
3
Nobody
A=B=C=D=E=F=X=Y=M+O
What is G+y?
et[c288]
012345678909876543210
x^2
12345679.987654321
A game of Mastermind takes 6 minutes.
A game of Monopoly takes about 20 minutes.
A game of Cluedo takes about 40 minutes.
a) How long does a game of Pictionary take?
b) What is the difference between the timing of all four games in alphabetical order?
a) 36 minutes
b) 25.5 minutes
a) 1 hour
b) 30 minutes
a) 45 minutes
b) 1 hour
a) 1 hour 15 minutes
b) 50 minutes
This game make use of 8 colours: red; green; blue; yellow; brown; orange; black and white. How many of each colour are there?
8
24
78
64
1+10+100+1000+10 000+100 000+1 000 000+1 000 000 000=?
(a)
Solve the coding to win.
4:/hsia@81J:@179
y@&!([Pjs/;ks
GU&@03_!9?/dk
{:}lqks;!J9!'
When I go to Italy, I am unable to write in italics. When I go to England, I am unable to write in BOLD letters. Who am I?
Roald Dahl
Unknown author
Enid Blyton
Someone
A monkey has 67 bananas. He has a family of 5, has 4 friends and has more than 150 relatives.
a)How many more bananas does the monkey need so that everyone can have at least 1 banana?
b)Round off your answer in a) to the nearest thousand and then divide the bananas against the number of monkeys.
a) 500
b) 9
a) 318
b) 1
a) 251
b) 0.79
a) 879
b) 45
Mrs Jones needed to buy 45 ingredients to make a pot of soup.
The only 2 ingredients she did not need to buy was water and stock.
She needs 1.6 litres of water but the cup could only store 3/4 of water.
She also only had 3/8 litres of stock.
How much of each ingredient did she need to complete the soup?
89/300
3.6 litres
8%
9.8 litres
X=Y=Z=A=?
?
?
?
!
ICUP
MINS
RUNS
What else are there?
(a)
I can only run half a marathon.
My friend can run 3 full marathons.
How many marathons can my friend run?
3
5
6
1
The average amount of a soup pot and a refrigerator is $344.
The soup pot cost 3 times as much as the refrigerator.
The refrigerator cost 8% as much as the soup pot.
How much more does the refrigerator cost than the soup pot?
$949.44
$82.56
$1114.56
$27.52
A piece of paper can have 236 words written on it.
How many words can be written on an infinity pieces of paper?
Not possible to tell
236
236 000 000 000 000 000 000 000 000 000
Unable to find
Mickey only has 11 minutes before the giant Willy eats him up.
Pete has to get Mickey out of his cage in 5 minutes and escape Willy's house in 4 minutes. The bonfire for the hot-air balloon takes 3 minutes to light up.
How will Pete rescue Mickey from the cage?
(a)
3/5 of my money is $225. 2/5 of my money is $445. What is 4/5 of my money?
$555
$335
$995
Not possible to tell
My phone had 97% of battery in the morning. After working for 2 hours, the battery dropped to 47%. When I returned home, my battery had dropped to 16%. How much more battery is needed?
100%
36%
29%
86%
A man had a bag, a playing card and a coin. He placed the card and the coin into the bag and then began to shake the bag up and down. Later, he removed the card from the bag and disposed it. He then reached into the bag again and withdrew another card instead of a coin.
a) How did this happen?
b) Where did the coin go?
(a)
A blurred painting takes around 2 days to finish painting. If an artist took 1/3 of the time and finished the painting, how many errors did he make in the painting?
(a)
ABCDEFG + HIJKLMNOP - QRSTUV = WXYZ
What is the value of QUIZ if QUV = 1/4?
(Round your answer correct to 2 decimal places, if not, answer as a improper fraction)
(a)
Jamie wants to give 456 daisies to Jenny but she could only pluck 56 daisies as her mother only gave her 7 minutes to pluck daisies. If she could only use another 5 minutes to pluck daisies, how could she pluck all the remaining daisies in time?
(a)
During a training course, Kahoot and Quizizz were competing to see who can make the best quizzes. Another quiz website, Quizlet entered and competed against another quiz website, Proprofs. Later, two of the quiz websites moved on to the finals. Which quiz website would win?
Kahoot
Quizizz
Quizlet
Proprofs
Which math term am I referring to?
Fractions
Algebra
Area and Circumference of Circles
Ratio
A car type was released into a a showroom where many people bought it. Later, another car type was released into the showroom and only a few people bought it.
a) Which car type did many people buy?
b) Which car type did only a few people buy?
Select all possible answers.
a) Mercedes-Benz
b) Toyota
a) Audi
b) Toyota
a) BMW
b) Honda
a) Mercedes-Benz
b) Hyundai
A rectangular tank measures 35 cm by 25 cm by 14 cm.
What is the volume of water in the tank?
12250 litres
12250 millilitres
12250 cm3
4375 litres
I cannot be seen but I am not invisible.
I cannot see the sun but I am not a vampire.
I cannot do anything but I am not a non-living thing.
What am I? (Hint: The clues are in the question.)
Air
Wind
Heat
Nitrogen
"ZOOM TO THE FINISH!!!
Let's meet each other online!
It's hangout time!"
What am I referring to?
Zoom, Google Meet, Google Hangouts
Zoom, Google Hangouts, Google Meet
Google Hangouts, Google Meet, Zoom
Facetime, Zoom, Google Meet
Google Meet, Facetime, Zoom
When I was rock climbing, I slid down a waterfall.
When I was sliding down the waterfall, I was playing in my backyard.
When I was playing in my backyard, I was rock climbing.
What was I doing when I was having a picnic?
Rock climbing
Sliding down the waterfall
Playing in the backyard
Eating food
John had 3 plates, each containing different types of food. The first plate had a roti prata, the second plate had a pizza and the last plate had a Pepper Lunch dish. If John grabbed a fourth plate, what food would be on that plate?
Plain roti prata
Pepperoni pizza
Pumpkin soup
Pasta
A teacher wanted to ask the class a math question. If she was teaching a Primary 4 class, which question would she ask?
"(4 + 5) - 2 x 4 + 4 = ?"
"1/4 x 2/3 = 1/2 + 5/12 = ?"
"Find the area of the composite figure if the length of the rectangle is 5 cm."
"Find the volume of the amount of water in the tank if the breadth of the tank is 8 m.
