Biology, asked by vaishu2999, 5 months ago

number of students who passed at least in one of the subjects?
(4)
A survey was conducted to know the hobby of 220 students of class IX. Out of which
130 students informed about their hobby as rock climbing and 180 students informed
about their hobby as sky watching. There are 110 students who follow both the hobbies.
Then how many students do not have any of the two hobbies? How many of them
follow the hobby of rock climbing only? How many students follow the hobby of sky
watching only ?
(5) Observe the given Venn diagram and write the following sets.
(ii) B
B
р
(i) A
(V) A'
(iii) AUB (iv) U
(vii) (AUB)
1
(vi) B?
z
S
1
Problem set 1​

Answers

Answered by Anonymous
0

Answer:

don't know sorry but please mark me as branliest

Answered by Anonymous
1

Answer:

Out of which 130 students informed about their hobby as rock climbing and ... There are 110 students who follow both the hobbies. ... How many students follow the hobby of sky watching only? ... A survey was conducted to know the hobby of 220 students of class IX. ... There are 110 students who follow both the hobbies.

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