Latest cts Aptitude Question SOLUTION: Abel, Lucky, Bingo are three T.V. channels. A survey shows that 30%, 20%, and 85% of the people watch Abel, Lucky, and Bingo respectively. 20% of the people watch exactly two of th

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(#M40037587) CTS Numerical Ability question Keep an EYE

Abel, Lucky, Bingo are three T.V. channels. A survey shows that 30%, 20%, and 85% of the people watch Abel, Lucky, and Bingo respectively. 20% of the people watch exactly two of the three channels and 5% watch none.

Asked In cts Bidisha (10 years ago)

Unsolved Read Solution (9)

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Read Solution (9) :

Rahul  (10 years ago)

Where is question Dude ... What I find from this question , u had post incomplete question.
Total no. of people watch TV =145

Is this solution Helpfull? Yes (10) | No (3)  

MUNISH YADAV  (9 years ago)

Let no of people who watch Abel alone be = A
Let no of people who watch Lucky alone be = L
Let no of people who watch Bingo alone be = B
Let no of people who watch Abel & Lucky be = X1
Let no of people who watch Lucky & Bingo be = X2
Let no of people who watch Abel & Bingo be = X3
Let no of people who watch all the three be = Y
Given:
Total no of people who watch TV =100-5=95 & X1+X2+X3=20
A+B+C+X1+X2+X3+Y=95
Also,
A+X1+X3+Y=30
B+X1+X2+Y=20
C+X2+X3+Y=85
Adding all the above three equations, we get:
A+B+C+2(X1+X2+X3)+3Y=135
(A+B+C+X1+X2+X3+Y)+(X1+X2+X3)+2Y=135
95+20+2Y=135
2Y=20
Y=10

Is this solution Helpfull? Yes (9) | No   

sruthi  (10 years ago)

this is the question and options...

Abel, Lucky, Bingo are three T.V. channels. A survey shows that 30%, 20%, and 85% of the people watch Abel, Lucky, and Bingo respectively. 20% of the people watch exactly two of the three channels and 5% watch none.
32. What % of the people watch all three channels?
a) 0 b) 5 c) 10 d) 20

Is this solution Helpfull? Yes (5) | No   

snehal varpe  (10 years ago)

20
5% watch none means 95% watch channels
95-(30+20+85-3*20)=20

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Binay Singh  (10 years ago)

Can u pls tell me ..How total no. of people watch TV= 145 .....???

Is this solution Helpfull? Yes (1) | No (1)  

srividhya  (10 years ago)

the value of people watching all 3 is 20
percentage is 10

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Goldi kumari  (10 years ago)

this question is incomplete

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shailendra parashar  (9 years ago)

can anyone give a perfect explanantio?

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WAQAS AKRAM  (10 years ago)

a venn diagram for this wld b more appropriate way of solving this answr...

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