Study the given Venn diagram carefully and answer the question that follows.
The numbers in different sections indicate the number of pieces of furniture. How many chairs are there which are also cupboards but not tables?
Given -
chairs are there = 29+19+7+17
chairs are there which are also cupboards = common number of (chairs, cupboards) = 19 + 7
but not tables = extract the number of tables which is common in (19 + 7) = 19 + 7 - 7 = 19
Option B is correct.
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Study the given Venn diagram carefully and answer the question that follows.
The numbers in different sections indicate the number of pieces of furniture. How many chairs are there which are also cupboards but not tables?
In a college 66 students enjoy rock music, 62 enjoy pop music, 58 enjoy jazz music, 16 enjoy both rock and pop music, 27 enjoy both pop and jazz music, and 13 enjoy both jazz and rock music. No one enjoys all three music. Find how many enjoy at least one type of music.
In a group of students, 147 play football, 155 play hockey, 160 play cricket, 36 play football and hockey, 44 play football and cricket, 25 play hockey and cricket, and 15 play all three games. Find the total number of students in the group.