Re: Infosys Interview Preparation E-Book
hi friends ,
plz solve these ..i need it urgently.......
1.One jar A contains half of wine Another jar B which is double in size of A contains 1/4 th of wine
Both r flled with water and pour into another jar.Whats the ratio of water and wine in third jar
2. If u were to plant trees in a square field of side 100ft such that the distance between each tree is atleast 10ft, how many trees can u plant?u can plant trees even on the boundaries -3 marks.
3 Two friends A and B had soiled cuffs and collars to be given to the laundry. The total no. of cuffs and collars were 30. After a week A gets back half the no. of cuffs and one third of the collars and pays 27cents. If cost of 4 cuffs equals the cost of 5 collars what is the amount payed by B for the remaining? -4 marks
4.There is a group of friends which sets out on a trip. Every day they travel 20 km more than the previous the day. At the end of trip which lasted for nine days they had covered a total distance of 1080 km.
a. How many kms did they travel on the 4th day?
b. How many kms did they travel on the last day? (Total 5 marks)
5 Two guys A and B are asked to tell a number between 1 and 1000 (ie.including 1 and 1000). What is the probability that B tells a number which is greater than the number told by A? -
6. A certain watch gains half a minute in the night and by dawn loses one third of a minute ie gaining one-sixth of a minute in a whole day. If the watch shows the right time on the 1st of May by what date would it become 5 minute fast?
7. The score of a particular test was calculated using the formula S=30+4C-W where 30 was the total no of questions adn C is the no. of correct answers and W is the no. of wrong answers. A student could leave a question and would not be penalized for that. A tells B that he has a score > 80. B was able to guess the exact score.For any other score other than the one guessed by B, which was still >80, B would not have been able to guess the no. of correct answers. What was exact no. of correct answers that A had got?
8. A woman goes to market and buys two kinds of drapes. When asked by her husband she says “Don’t worry they together cost less than 10 dollars”. The no. of yards of cloth bought of each type is equal to its cost per yard. Also she spends 2$ and 15 cents more on one type than the other. Find out the no of yards of each cloth.
9. A man starts walking 10 km along X road,turns left and walks 10 km along Y
road ,turns left and walks 10 km along Z road ,turns left and walks 15 km
and turns left and walks 5 km along a road.Which road is he in now?
10. During a party 12 guests were there and each clinked his glasses with the
other.How many clinks were heard totally?
Ans:55