UPSC Government Jobs Exams

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
11 years agoHelpfull: Yes(0) No(1)

20 is the answer.
9 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
8 years agoHelpfull: Yes(0) No(0)

UPSC Other Question

if
3+5+8=154074
4+6+3=241893
4+5+2=201082
then
6+7+2=? A cuboid has six sides of different colours. The red side is opposite to black. The blue side is adjacent to white. The brown side is adjacent to blue. The red side is face down. Which one of the following would be the opposite to brown? [UPSC 2010 (CS-P)]
a) Red
b) Black
c) White
d) Blue