How much pure alcohol has to be added to 400 ml of a solution containing 15% of alcohol to change the concentration of alcohol in the mixture to 50%
RANK IT UP! LEVEL 1-QUIZ
Quiz
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Special Education
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Professional Development
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Hard
Pawandeep Kaur
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How much pure alcohol has to be added to 400 ml of a solution containing 15% of alcohol to change the concentration of alcohol in the mixture to 50%
260 ml
160 ml
280 ml
180 ml
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
l = [ 4, 8, 9, 2.6, 5 ] is a type of which data type in python?
set
tuple
list
none of these
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
25% loss on cost price is what percentage loss on the selling price?
20%
25%
33.33%
50%
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What percentage of 8.5 Kg is 17gms?
0.025%
0.20%
2.5%
25%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method should I use to convert String “Python programming is fun” to “Python Programming Is Fun”?
capitalize()
title()
istitle()
upper()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tan(A/2) is equal to
tan A/(1+secA)
1/(cos A +cot A)
tan A/(1+cosecA)
1/(sec A + cot A)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of points in the plane of a triangle which are equidistant from the sides of triangle is.
1
2
3
4
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