Are You Ready For This Logical Challenge?

Since our last Math Quiz was deemed a bit easy by some of you, today we have something a bit more challenging, and it will require you to solve no less than 24 math problems. Some will be very short and some longer, some very easy and some (especially towards the end) will be quite hard. We wish you good luck!
 
1 of 24
My grandson weighs 44 pounds plus half his own weight. How much does he weigh?
68
72
66
88
 
2 of 24
I bought lunch for 3 friends. If I spent $30 and had to pay a 15% tip, what was the tip?
$4.5
$5
$5.5
$6
 
3 of 24
Which is divisible by 4 without a remainder?
106
110
102
112
 
4 of 24
Suzy, 12 years old, is three times as old as Rachel. How old will she be when she's twice as old as Rachel?
12
18
16
14
 
5 of 24
Pick 3 different numbers whose product and sum always give the same answer.
1,2,3
1,-1,2
1,2,-2
-2,-1,0
 
6 of 24
8 + 8 รท 8 + 8 x 8 โ€“ 8 = ?
72
64
16
65
 
7 of 24
What comes next in the series: 24, 23, 21, 18, 14, __
9
10
12
11
 
8 of 24
What is the square root of 225?
12.225
15
25
12.5
 
9 of 24
Mark is taller than Jon, and Emily is shorter than Mark. Which is accurate?
Jon is taller than Emily
Emily is taller than Jon
Impossible to tell
Emily is as tall as Jon
 
10 of 24
I have figs. I eat 1 and give half the remainder to Charlie. I eat another, and throw half of what's left away. I now have 5 figs. I started with:
25 figs
27 figs
23 figs
22 figs
 
11 of 24
If X is bigger than Y but smaller than Z, then:
Z is the smallest
Y is bigger than Z
Z is bigger than an X
Y is the biggest
 
12 of 24
Eric's salary is $2000 more than Rachel's. Together they make $5800. Rachel makes:
$2,000
$3,900
$1,900
$2,800
 
13 of 24
A plane flew for 4 hours AGAINST a 10 mph wind. It then flew for 3 hours WITH the same wind. The plane flew 3560 miles. Find the rate of the plane in still air.
410
510
310
610
 
14 of 24
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
9
11
7
16
 
15 of 24
Ron was 0.3 of his father's age this year. If he's 12 this year, how old was his father when he was born?
16
28
36
40
 
16 of 24
Which is divisible by 7 without a remainder?
82
84
83
81
 
17 of 24
You reduce the price of a product by 20%. What percentage of the reduced price must you increase to put the product back to its original price?
20%
35%
25%
15%
 
18 of 24
When you add the square root of 81 to 12 squared, what do you get?
151
153
154
152
 
19 of 24
During a 5-day festival, the number of visitors tripled each day. If the festival opened on a Thursday with 345 visitors, what was the attendance on Sunday
1,035
9,315
6,210
3,105
 
20 of 24
The average of three numbers is V. If one of the numbers is Z and another is Y, what is the remaining number?
3Z - Y/3
3V - Z - Y
Z + Y
3Z - V
 
21 of 24
Sam bought a boat for $6300. He then sold it for 15% profit. How much money did he sell the boat for?
$5,245
$6,245
$7,245
$8,245
 
22 of 24
Which number is equal to the quarter of its square?
2
4
8
1
 
23 of 24
14 x 0.15 = ?
1.9
2.1
3
2.5
 
24 of 24
This is a hard one: Which number doesn't belong in the following series: 2 - 3 - 6 - 7 - 8 - 14 - 15 โ€“ 30
8
6
7
30
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