In a society of 80 resident families who subscribe newspapers, 60% of them subscribe The Hindu newspaper, 80% of them subscribe regional language newspaper and 70% of them subscribe TOI. How many families could, at the least, be subscribing to all the three newspapers
(a) 0%
(b) 5%
(c) 10%
(d) 20%
- 2 Answers
- 13471 Views
- Mu Sigma, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / gaurav nandal
The answer is 10%
ans = 100% -(100%-60%) -(100%-70%) -(100%-80%)
| Is This Answer Correct ? | 29 Yes | 4 No |
Answer / rockyrocz
Total no. Of families who take newspaper =80
1>>%age of family takes HINDU=60%
ie...60/100×80=48
2>>>%age of family takes REGIONAL=80%
ie..80/100×80=64
3>>>%age of family takes TOI=70%
ie...70/100×80=56
Now...
To find the common families out of these detaILS provided we simply take out H.C.F of thee result we got
Ie HCF of 48,64,56...=2x2x2=8
Therefore...80/8×100=10% of family takes all the three..
| Is This Answer Correct ? | 22 Yes | 3 No |
write a five digit number , which will be having two prime numbers, and some two more conditions,like 1st digit greater than 2nd etc its easy(remember one is not a prime number,most people don mistake taking 1 as prime number)
what is present share of service industry in GDP ?
25 stations ,24 stations are inbetween- - - - - how many tickets should be required.
When I was married 10 years ago my wife is the 6th member of the family. Today my father died and a baby born to me. The average age of my family during my marriage is same as today. What is the age of Father when he died?
If A driver drives a car four times a lap 10,20 30,60 kmph what is his average speed.
Two trains are travelline at equilateral .Train A is travelling in the direction of earths spin.Other train B is travelling in opposite direction of earths spin.Which trains wheels will wear first?and why?
one answer is 200/3 % it is perfectly correct wecannot recollec the prob. so place it blindly.
A company installed 36 punching machines at the beginning of the year.In the spring they installed 9 additional m/c's and then discontinued 18 in the fall.How many were still installed at the end of the year?
Draw venn diagram relating rhombus, quadrilateral & polygon
Can you Please help me to get question papaer of Hp company for BPO non voice for fresher Where engish, mathematics , reasoning every thing will be there. I am goin to apply on 25 feb 2008 so need this urgently so that i can prepare for the written test.
A circle is inscribed in a Triangle of side 6cm. What is the area of circle?
total balls are z, the number of red balls is n and the remaining are blak balls,then the % of black balls equal to ?
English 
