Maths Mind
Everyday Math Demystified
#1 Buttons 20 seconds 15% correct rate
At a children’s party, 10 kids had juice, 8 kids had cake,and 6 kids had juice & cake. How many kids were there at party
12
24
14
18
12 kids. 6 kids had juice and cake, leaving 2 out of the cake eaters that didn’t have juice. As there were 10 juicers.
#2 Buttons 20 seconds 33% correct rate
If the sum of two consecutive even numbers is 166, the smaller number is
82
86
84
80
82+84 = 166 and 80+86 = 166, Since 82 & 84 are consecutive even numbers, so 82 is the smallest number.
#3 Buttons 20 seconds 20% correct rate
A bottle costs a dollar more than a cork. Together they cost 110 cents. How much does the bottle cost?
105
100
115
90
The bottle costs 105 cents, and the cork costs 5 cents.
#4 Buttons 20 seconds 36% correct rate
What is the next number in the series? 7,645, 5,764, 4,576, ?
6,457
7,645
5,764
6,745
The last digit is moved to the front to make the next number.
#5 Buttons 20 seconds 30% correct rate
What mathematical symbols (+,-,X,÷ only) do you have to insert in between the numbers to get the result? 2 4 6 8=28
2 + 4 × 6 - 8
2 + 4 + 6 + 8
2 × 4 × 6 ÷ 8
2 × 4 - 6 +4
2 + 4 × 6 - 8 = 28
#6 Buttons 20 seconds 33% correct rate
If the sum of two numbers is 51 and the difference is 13, find the smallest number.
19
16
32
35
32+19=51 and 32-19=13 so smallest number is 19
#7 Buttons 20 seconds 66% correct rate
Six times five plus twelve minus five =
37
29
91
23
(6X5)+12-5=37
#8 Buttons 20 seconds 34% correct rate
Nine trees are planted in a row at three-foot intervals. How far is it from the first tree to the last tree?
24 feet
270 feet
30 feet
27 feet
Since there are eight intervals, the distance between the first and last one is 8 × 3 = 24 feet.
#9 Buttons 20 seconds 37% correct rate
How many cuts are needed to cut a log into eight pieces?
7
8
9
4
7 cuts are required to cut a log into 7 pieces.
#10 Buttons 20 seconds 58% correct rate
42% of 36 =?
15.12
151.2
0.78
85.42
42% × 36 = 0.42 x 36 = 15.12
