Question : In a certain school, 10% of the students have less than 75% attendance and are not allowed to sit in the exam, but 20% of the students who have less than 75% attendance are allowed to sit in the exam. What percentage of students in the school have less than 75% attendance?

Option 1: 30%

Option 2: 12.5%

Option 3: 15%

Option 4: 10.5%

Question : If A earns 25% more than B then how much percentage does B earn less than A:

Option 1: 15%

Option 2: 20%

Option 3: 25%

Option 4: 30%

Question : An article was sold at a certain price. Had it been sold at $\frac{4}{5}$ of that price, there would have been a loss of 10%. At what profit percentage was the article sold initially?

Option 1: 10.5

Option 2: 15

Option 3: 12.5

Option 4: 10

Question : At a certain rate of Simple Interest, a certain sum of money becomes double itself in 10 years. It will become triple of itself in:

Option 1: 15 years

Option 2: 18 years

Option 3: 20 years

Option 4: 30 years

Question : Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows.

The number of students who obtained less than 250 marks is:

Option 1: 135

Option 2: 75

Option 3: 30

Option 4: 45

Question : The average mark obtained by 150 students in an examination is 40. If the average marks of passed students are 60 and those of failed students are 20, what is the number of students who passed the examination?

Option 1: 25

Option 2: 50

Option 3: 75

Option 4: 100