Best 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
What is a migraine?
Headache
Dessert of meringue
Afternoon rain
Long distance train
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2
What smell does hydrogen sulfide have?
Rose
Rotten eggs
Milk
Ozone
3
What is the chemical symbol for hydrogen?
He
Hg
Hd
H
4
Choose the integer that makes the following sentence true: …. × (-5)=15
3
-3
5
-5
5
6x5+3=
48
42
33
32
6
20 - x = 18. What is x?
2
3
5
6
7
Which number is divisible by 5?
45879
258965
245698
147253
8
Simplify 24/30.
1/8
4/5
3/4
2/7
9
Find the wrong word in a row: computer, screen, mouse, diary.
Screen
Computer
Diary
Mouse
10
Some months have thirty days, some have thirty-one day. How many months have twenty-eight days?
February
January
October and February
all months
11
Spell two antonymic words which anagram is CUBED RESULT.
CRUEL, SUTLE
RESCUE, BULLET
CRUDE, SUBTLE
CRUEL, BULLETS
12
8 ÷ 2 x 4=
14
1
16
10
13
Convert 1984 to Roman Numerals.
MCMLXXXIV
MCMLXXV
MCMXIIV
MMLXXXV
14
30+x=53. Find x.
33
73
23
11
15
What does a common fraction consist of?
Minuend and subtrahend
Term and the sum
Numerator and denominator
Dividend and divisor
16
Find the intruder: silver, gold, ivory, platinum.
silver
gold
ivory
platinum
17
Continue the sequence: 4, 6, 10, 14, 22, 26, ?
23
54
34
42
18
If the marked price of a rare car is $200000 and a discount of 5% is given on it, the sell price of this car is ...
120000
190000
230000
250000
19
How many people commit suicide every year?
500000
600000
700000
800000
20
The art club had an election to select a president. 10% of the 90 members of the club voted in the election. How many members voted?
9
10
20
25
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