Difficult Questions: Science
Challenge rules: choose only one answer in each of the 20 questions. If you are sure about all your answers, tap See results at the bottom.
1
A person walked through the forest with his dog and noticed 3 foxes, 6 wolf cubs, 7 hares, 9 squirrels, and 13 groundhogs. Give the total number of feet that all these creatures have.
6
114
2
158
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2
Replace the question marks: 1, 2, 0, 3, ?, 4, ?
1, 3
-1, 2
0. -2
-1, -2
3
Find the intruder: Howard's End, 10 Things I Hate About You, Prospero's Books, Forbidden Planet.
Howard's End
10 Things I Hate About You
Prospero's Books
Forbidden Planet
4
Replace the question mark: 240, ?, 120, 40, 10, 2.
180
240
420
480
5
What is a writing disorder associated with impaired handwriting called?
ADHD
Dysgraphia
Rett syndrome
Dyslexia
6
Choose the odd one
E
F
G
H
7
Choose the reversed figure depicted below that is the same as the first one.
a
b
c
d
8
Which type of matter is the least dense?
Water
Oil
Glass
Mercury
9
Replace the question mark: 563, 647, 479, 815, ?
672
386
279
143
10
Replace the question mark with a suitable number.
2
3
4
5
11
At what age can a baby see clearly?
4 months
6 months
8 months
12 months
12
Replace the question mark: 100mH, HJ, S, 200m, LJ, J, ?
800m
PV
400m
1500m
13
Martinmas is related to November the same as Candlemas is related to:
February
March
October
December
14
What is not an astronomical constellation?
Cassiopeia
Bootes
Mercury
Taurus
15
Fill in the missing word: action, effort, worth, ?, ourself.
reef
cage
rampart
idea
16
How many germs are we estimated to have on each square centimeter of skin on our hands?
1,500
15,000
150
150,000
17
Which nation is more susceptible to Paris Syndrome?
Japanese
Chinese
French
Americans
18
Replace the question mark: Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, ?
Chlorine
Fluorine
Neon
Argon
19
What metal is not an alloy?
Bronze
Copper
Brass
Duralumin
20
When was the first pair of contact lenses successfully fitted?
XVIII century
XIX century
XX century
XXI century
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