The Math Creature Challenge!

 We just got a surprise visit from a bunch of weird, alien-looking creatures. They claim they have come to test our mathematical prowess, and require human volunteers. Do you mind helping us out by answering their math questions? We'd like to give a good impression...
 
 
The square root of 0.0081 is...
0.09
0.9
0.009
0.91
 
 
A clock strikes once at 1 o’clock, twice at 2 o’clock, thrice at 3 o’clock and so on. How many times will it strike in 24 hours?
78
136
156
196
 
 
0.05 × 0.09 × 5 is...
0.005
0.0225
0.025
0.225
 
 
Which of the following numbers gives 240 when added to its own square?
15
16
18
20
 
 
All natural numbers and 0 are called the ____ numbers.
Whole
Prime
Integer
Rational
 
 
The wages of 10 workers for a six-day week is $ 1200. What are the one day’s wages of 4 workers?
$40
$32
$80
$24
 
 
What is 1 to the power of 0?
1 to the power of zero means it gets multiplied by 1 zero times and hence stays 1.
1
-1
0
Unknowable
 
 
142 × 16 is...
7222
2227
2722
2272
 
 
What is 4505 ÷ 5?
901
910
190
109
 
 
45% of 640 + 64% of 450 = ? % of 1440
54
40
45
50
 
 
Which number should come in place of both question marks? (?)/81 = 144/(?)
108
972
1296
11664
 
 
If 5 girls take 7 hours to pack 35 shirts, then how many girls can pack 65 shirts in 3 hours?
26
39
45
None of the answers are correct
Oops! You Got a Low Score...
Maybe you're not focused or maybe you haven't done maths like this in a long time. think about it. Why not try again, and if not - have a look at our explanations of your mistakes below. In any case, the creatures are disappointed, and may not come again because they only like to talk about math. No matter, we don't need their help!
You Did Well!
You didn't ace the test, but you got high marks and the creatures are duly impressed. This isn't easy to do considering few of us actually use math like this in our every day life. Kudos for keeping the math alive and your brain well and functioning, and have a look below at your mistakes to learn from them.
You ACED This Test!
Wow, are you a retired maths teacher? These poor creatures never saw it coming! These are high marks indeed! You either got full marks or only had one mistake, and that happens to us all. You are a math wiz and if you haven't used math like this since school, we're double impressed with you. You're awesome, and you've sent them packing!
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