Maths Quiz for Adults

Adults math quiz questions from Challenge the Brain. Host fun pub quizzes with our huge range of fun trivia!

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How many equal sides and equal angles does an isocelese triangle have?
3 equal sides and 3 equal angles2 equal sides and 2 equal angles1 equal side and 1 equal angleNo equal sides or angles
What is an equivalent fraction?
Mixed fractionsReciprocal fractionsDifferent fractions that name the same number (have the same value)Improper fractions
What is the cube root of 343?
6 (6x6x6=216)5 (5x5x5=125)8 (8x8x8=512)7 (7x7x7=343)
40% of 10 = 20% of ?
40201015
What is the highest single digit whole number used in the decimal system?
Number 0Number 10Number 9Number 1
What is the sum of all the internal angles of a hexagon?
720 degrees540 degrees360 degrees900 degrees
Can you write the following fractions as decimals: 22/100, 6/10, 1/4?
0.22, 0.6, 0.140.22, 0.6, 0.40.22, 0.06, 0.250.22, 0.6, 0.25
Which compass point is fixed at 0 degrees?
NorthSouthEastWest
How many lines of symmetry does a star have?
Four linesThree linesFive linesSix lines
What is 1000 in Roman numerals?
CXDM
What do the abbreviations sin, cos, tan stand for?
sigma, cosine, targetsimple, cosine, tangentsine, constant, tangentsine, cosine, tangent
What is the missing number from the following sequence: 54, ..., 72, ..., 114?
54, 56, 72, 90, 114 (rule +6 then +12)54, 60, 72, 96, 114 (rule +6 then +12)54, 63, 72, 99, 114 (rule +9)54, 60, 72, 90, 114 (rule +6)
Is an angle of 65 degrees known as an acute, obtuse or reflex angle?
Reflex angle (over 180 degrees)Right angle (exactly 90 degrees)Obtuse angle (90 to 180 degrees)Acute angle (less than 90 degrees)
What is the smallest composite number?
Number 2Number 4Number 6Number 1
Can you show the following ratios by their lowest terms: 20:60, 75:100, 4:10?
2:6, 3:4, 2:51:6, 1:4, 1:51:3, 3:5, 1:21:3, 3:4, 2:5
How many prime numbers are there between from number 1 to 100?
20 prime numbers30 prime numbers25 prime numbers (any whole number larger than number 1 that cannot be divided by a number other than itself and number 1): 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 9715 prime numbers
Fractions that have the same value are known by what name?
Improper fractionsMixed fractionsEquivalent fractionsReciprocal fractions
What is 0.90 x 9.5?
8.059.058.557.85
What is the only number that is spelled in alphabetical order?
ElevenFortySevenFive
What is the RCL function used for on a scientific calculator?
ResetRandomRecallRestart

Round 9 - Maths Quiz for Adults