SATHEE: Sets-Relations-And-Functions Question 125

Sets-Relations-And-Functions Question 125

Question: A survey shows that 61%, 46% and 29% of the people watched ?3 idiots??, ?Raajneeti? and ?Avatar? respectively. 25% people watched exactly two of the three movies and 3% watches none. What percentage of people watched all the three movies?

Options:

A) 39%

B) 11%

C) 14%

D) 7%

Show Answer

Answer:

Correct Answer: D

Solution:

[d]The given condition is as follows- We know that $ {(a+d+e+g)+(b+d+f+g)+(c+e+f+g)} $ $ -(d+e+f)-2g=a+b+c+d+e+f+g $ Or $ 61x+46x+29x-25x-2g=97x $ Or $ 2g=14xorg=7x $

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Sets-Relations-And-Functions Question 125

Question: A survey shows that 61%, 46% and 29% of the people watched ?3 idiots??, ?Raajneeti? and ?Avatar? respectively. 25% people watched exactly two of the three movies and 3% watches none. What percentage of people watched all the three movies?

Options:

Answer:

Solution:

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