SOLUTION: In a test a candidate attempted only 15 questions and secured full marks in all of them. If he obtained 60% marks in the test and all the questions in the test carried equal marks,

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Question 701119: In a test a candidate attempted only 15 questions and secured full marks in all of them. If he obtained 60% marks in the test and all the questions in the test carried equal marks, the number of questions in the test is:
Found 2 solutions by checkley79, Simnepi:
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
15=.60x
x=15/.60
x=25 total number of questions on the test.

Answer by Simnepi(216) About Me  (Show Source):
You can put this solution on YOUR website!
because 15 questions is 60%
to find what 1 question is worth divide by 15.
this gives 1 question is worth 4%.
Now we need to find out how many questions make 100%.
%28100%2F4%29=25
so there are 25 questions in the test
OR
You could say....
because 60% is 15 questions
then to find what 10% is we divide by 6
10%=15%2F6=2.5 questions
to find 100% multiply by 10
100%=25 questions
there are 25 questions in the test