ravi answered 70% of questions . that one you 20 as the answer ,how?
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Answer:
Let the total no of questions asked in the question be x
Therefore, 70/100x+6=x
7/10x+6=x
6=3x/10
3x=60
x=20
Therefore, no of question asked in the quiz is 20
merielalex:
did u get 6 in your 2nd step
yes but how you will get three
so wt is 3+3
it is 6
0K
6= 3x/ 10
3x= 6into 10
3x = 60
= 2into3=60
which can also be written as 20
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