Maths Mind

Everyday Math Demystified
3.1
(122 votes)10
English
Published
8 months ago

#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
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