Question

In an examination 5question were asked 5% of total student give the answer of all the questoo

Answer 1

Full question:-There are 5 questions in a question paper. In an examination 5% students answer all questions and 5% answered none. 50% of the rest answered 3 questions and 20% answered 2 questions and 300 answered only 1 question. How many students appeared for the test?

solution:-
Let total no.of students be x
x=(x*5/100)+(x*5/100)+(x*50/100)+(x*20/100)+300
100x=(5*x)+(5*x)+(50*x)+(20*x)+30000
100x=80x+30000
20x=30000
x=1500

Answer 2

the answer is 1500....