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A candidate attempted 12 questions and secured full marks in all of them. If he obtained 60% in the test and all questions carried equal marks, then what is the number of questions in the test? [UPSC 2010 (CS-P)]
a) 36
b) 30
c) 25
d) 20
Read Solution (Total 4)
-
- 12/x(100)=60
x=1200/60=20
Ans 20 - 10 years agoHelpfull: Yes(0) No(1)
- 20 is the answer.
- 8 years agoHelpfull: Yes(0) No(0)
- According to question 60%=12 so 100%=? (100*12)/60=20
- 8 years agoHelpfull: Yes(0) No(0)
- 12+x = 12/0.6
0.6x=12-7.2
0.6x=4.8
x=8
total questions=12+8=20 - 7 years agoHelpfull: Yes(0) No(0)
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