EASY
11th West Bengal Board
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 percentage of those who passed in both the subjects.

16.67% studentsanswered this correctly

Important Questions on Sets

EASY
11th West Bengal Board
IMPORTANT
In a group of 65 people, 40 like cricket, 10 like both cricket and tennis. How many like tennis only and not cricket? How many like tennis?
EASY
11th West Bengal Board
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?
EASY
11th West Bengal Board
IMPORTANT

In a survey of 60 people, it was found that 25 people read newspaper H, 26 read newspaper T, 26 read 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.

MEDIUM
11th West Bengal Board
IMPORTANT

In a survey of 60 people, it was found that 25 people read newspaper H, 26 read newspaper T, 26 read 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.

EASY
11th West Bengal Board
IMPORTANT
In a class, 18 students offered physics, 23 offered chemistry and 24 offered mathematics. Of these, 13 are in both chemistry and mathematics; 12 in physics and chemistry; 11 in mathematics and physics, and 6 in all the three subjects. Find how many students are there in the class.
 
EASY
11th West Bengal Board
IMPORTANT
In a class, 18 students offered physics, 23 offered chemistry and 24 offered mathematics. Of these, 13 are in both chemistry and mathematics; 12 in physics and chemistry; 11 in mathematics and physics, and 6 in all the three subjects. Find how many offered mathematics but not chemistry.
EASY
11th West Bengal Board
IMPORTANT
In a class, 18 students offered physics, 23 offered chemistry and 24 offered mathematics. Of these, 13 are in both chemistry and mathematics; 12 in physics and chemistry; 11 in mathematics and physics, and 6 in all the three subjects. Find how many are taking exactly one of the three subjects.
EASY
11th West Bengal Board
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;