In town of 500 people, 285 read Hindu and 212 read
Indian express and 127read Times of India 20 read hindu and
times of India and 29 read hindu and Indian express and 35
read times of India and Indian express. 50 read no news
paper. Then how many read all the three paper?
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Answer / sarat
500 = Total+50
Total(450) = only one paper(p) + 29+20+35 + all three (g)
285+212+127 = p + 2( 29+20+35 )+ 3g
solve above .. to get g = 45 ...
( small corrctn .. i think .. questn shud be 20 read ONLY
hindu and
times of India and 29 read ONLY hindu and Indian express
and 35
read ONLY times of India and Indian express)
| Is This Answer Correct ? | 44 Yes | 22 No |
Answer / sarvani
The data is incorrect.
coz.
(^==>intersection & U==> union)
n(a^b^c)=n(A)+n(b)+n(c)-n(a^b)-n(b^c)-n(a^c)+n(a^b^c)
a=hindu
b=express
c=times assume
the formula fails
companies give this blunder without knowing simple basics
| Is This Answer Correct ? | 23 Yes | 7 No |
Answer / sidhant
The answer is 45 people read all the three news papers and 321 people read only one news paper. Just draw a venn diagram with three circles and mark the corresponding parts using the given data. If you take the intersection part of all the 3 circles as 'x'. three expressios are formed as follows: 285-(20+29+x),212-(29+35+x) and 127-(20+35+x).these equations will giv people reading hindu,indian exp and times of india respectively. add (20+29+35+x) and 285-(20+29+x),212-(29+35+x) and 127-(20+35+x) and equate it to 450. x gives the intersection of 3 circles. then u can find individual readers by sybstituting in the expressions 285-(20+29+x),212-(29+35+x) and 127-(20+35+x).
| Is This Answer Correct ? | 12 Yes | 3 No |
Answer / srikanth
ans is 45 i will explain
x is all three papers read
initially 500-50=450
I:285-(20+29+x)
II:212-(35+29+x)
III:127-(20+35+x)
IV:20+29+35+x
now equate 450=I+II+III+IV you will get answer 45
| Is This Answer Correct ? | 14 Yes | 6 No |
Answer / prahlad
data incorrect
the ans according to formula is -90
of course impossible
this is a stupid question
don't waste time solving it
| Is This Answer Correct ? | 11 Yes | 6 No |
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