HARD
11th CBSE
IMPORTANT
Earn 100

In an examination, 56% of the candidates failed in English and 48% failed in science. If 18% failed in both English and science, find the value of k, if the percentage of those who passed in both the subjects is k%.

50% studentsanswered this correctly

Important Questions on Sets

HARD
11th CBSE
IMPORTANT
In a group of 65 people, 40 like cricket and 10 like both cricket and tennis. How many like tennis only and not cricket?
HARD
11th CBSE
IMPORTANT
In a group of 65 people, 40 like cricket and 10 like both cricket and tennis. How many like tennis?
MEDIUM
11th CBSE
IMPORTANT
A school awarded 42 medals in hockey, 18 in basketball and 23 in cricket. if these medals were bagged by a total of 65 students and only 4 students got medals in all the three sports, how many students received medals in exactly two of the three sports?
MEDIUM
11th CBSE
IMPORTANT
In a survey of 60 people, it was found that 25 people read newspaper H, 26 read newspaper T, 26 read the newspaper I, 9 read both H and I, 11 read both H and T, 8 read both T and I, and 3 read all the three newspapers. Find the number of people who read at least one of the newspapers.
HARD
11th CBSE
IMPORTANT
In a survey of 60 people, it was found that 25 people read newspaper H, 26 read newspaper T, 26 read the newspaper I, 9 read both H and I, 11 read both H and T, 8 read both T and I, and 3 read all the three newspapers. Find the number of people who read exactly one newspaper.
HARD
11th CBSE
IMPORTANT
In a survey of 100 students, the number of students studying the various languages is found as English only 18; English but not Hindi 23; English and Sanskrit 8; Sanskrit and Hindi 8; English 26; Sanskrit 48 and no language 24. Find how many students are studying Hindi?
HARD
11th CBSE
IMPORTANT
In a survey of 100 students, the number of students studying the various languages is found as English only 18; English but not Hindi 23; English and Sanskrit 8; Sanskrit and Hindi 8; English 26; Sanskrit 48 and no language 24. Find number of students studying English and Hindi both
HARD
11th CBSE
IMPORTANT
In a town of 10,000 families, it was found that 40% of the families buy newspaper A, 20% buy newspaper B, 10% buy newspaper C, 5% buy A and B; 3% buy B and C, and 4% buy A and C. If 2% buy all the three newspapers, find the number of families which buy A only