INFOSYS Power Preperation
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INFOSYS POWER PREPARATION
 

Puzzles

1. When Arthur is as old as his father Hailey is now, he shall be 5 timesas old as his son Clarke is now. By then, Clarke will be 8 times olderthan Arthur is now. The combined ages of Hailey and Arthur are 100 years. How old is Clarke ?

2. I have one orange glass containing orange juice and another white glass containing apple juice. I take 50 ml of orange juice and mix it with apple juice in the white glass. Then I take 50 ml of this mixture and transfer it back to the orange glass. If you compare amount of apple juice in the orange glass and amount of orange juice in the white glass which is more than the other and by how much ?

3. The seven digits in this subtraction problem are 0,1,2,3,4,5 and 6.Each letter represents the same digit whenever it occurs.

D A D C B
E B E G
--------------------
B F E G
-------------------- What digit is represented by each letter ?


4. The Jones have named their four boys after favourite relatives; their friends, the Smiths, have done the same

with their three boys.One of the families has twin boys. From the following clues, can you determine the families

of all seven children and their ages ?
i) Valantine is 4 years older than his twin brothers.
ii) Winston, who is 8, and Benedict are not brothers. They are each named after a grandfather.
iii) Briscoe is two years younger than his brother Hamilton, But three years older than Dewey.
iv) Decatur is 10 years old.
v) Benedict is 3 years younger than Valentine; they are not related.
vi) The twins are named for uncles.

5 Motorboat A leaves shore P as B leaves Q; they move across the lake at a constant speed. They meet first time

600 yards from P. Each returns from the opposite shore without halting, and they meet 200 yards from Q. How long is the lake ?


6. Fanta, Pepsi and Citra often eat dinner out.

a) Each orders either coffee or tea after dinner.
b) If Fanta orders coffee, then Pepsi orders the drink that Citra orders.
c) If Pepsi orders coffee, then Fanta orders the drink that Citra does not order.
d) If Citra orders tea, then Fanta orders the drink that Pepsi orders.
Which person/persons always orders the same drink after dinner ?

7. On the Island of imperfection there is a special road, Logic Lane, on which the houses are usually reserved for the more mathematical inhabitants. Add, Divide and Even live in three different houses on this road (whichhas houses numbered from 1-50). One of them is a member of the Pukka Tribe,who always tell the truth; another is a member of the Wotta Tribe, who never tell the truth; and the third is a member of the Shalla Tribe, who make statements which are alternately true and false, or false and true. They make statements as follows :

ADD : 1 The number of my house is greater than that of Divide's.
2 My number is divisible by 4.

3 Even's number differs by 13 from that of one of the others.
DIVIDE : 1 Add's number is divisible by 12.
2 My number is 37.
3 Even's number is even.
EVEN : 1 No one's number is divisible by 10.
2 My number is 30.
3 Add's number is divisible by 3.
Find to which tribe each of them belongs, and the number of each of their houses.

8. The names of the inhabitants of Walkie Talkie Land sound strange to thevisitors, and they find it difficult to pronounce them, due to their length and a few vowel sounds they contain. The Walkie Talkie guide is discussing the names of four inhabitants - A,B,C and D. Their names each contain upto eight syllables, although none of the four names contain the same number. Two of the names contain no vowel sounds; one contains one vowel sound; and one contains two vowel sounds. From the Guide's statements below, determine the number of syllables
and vowel sounds in each of the four Walkie Talkie names :
i) The one whose name contains two vowel sounds is not A.
ii) C's name does not contain more than one vowel sound or fewer than seven syllables.
iii)The name with seven syllables does not contain exactly one vowel sound.
iv) B and C do not have names with the same number of vowel sounds.
v) Neither the name with five syllables nor the name with seven syllablescontains more than one vowel sound.
vi) Neither the name with six syllables, nor the B's name, contains two vowel sounds.
9. Multiplication and Division.
(1) - - - - - (a) (2) _ _ . _ (d)
________________
- - - (b) - - -) - - - - - . 0
_________________ - - -
_______________
- - - - -
- - - - - - - - -
___________________ - - -
_______________
- - - - - - - (c)
- - -
- - -
========

(1) and (2) represent the same two numbers - in one case multiplied together, in other case divided.

Given that there are no 3's. find the missing digits indicated as (a), (b), (c) and (d) above ?

10. Two identical twins have a very unusual characteristic. One tells nothing but lies on Mondays, Wednesdays and Fridays, and tells nothing but the truth all other days. The other tells nothing but lies on Tuesdays, Thursdays and Saturdays, and tells nothing but the truth all other days. On Sundays both children speak the truth.

1) Which of the following statements can be deduced from theinformation presented ?
i) If it is Sunday, the twins will both say so.
ii) If it is not Sunday,one twin will give the correct day and the other will lie about everything.
iii)On any given day, only one twin will give his correct name.
a) i only
b) i and ii only
c) i and iii only

d) ii and iii only
e) i,ii and iii
2) According to the information presented, which of the following conversations will be impossible.
a) Twin A : "Today you are a lier"Twin B : "You are telling the truth"
b) Twin A : "Today you are a lier"Twin B : "Today I am a truthteller"
c) Twin A : "Tommorow I shall be a lier"Twin B : "That's correct"
d) Twin A : "Tommorow you will be a lier"Twin B : "Today you are a truthteller"
e) Twin A : "Yesterday we were both truthtellers"Twin B : "You are lying"

3) Assume that the twins followed a different set of rules, so that ona given day both told only the truth while next day both only lied,alternating days of truth telling and lying. Under these rules,which of the following conversations would be possible ?

a) Twin A : "Today you are a lier" Twin B : "That is correct"
b) Twin A : "Today you are a lier" Twin B : "That is not so"
c) Twin A : "Tommorow we will be liers" Twin B : "Yesterday we were truthtellers"
d) Twin A : "Tommorow we will be liers" Twin B : "You are 1 year older than I am"
e) Twin A : "We always tell the truth" Twin B : "We some times tell the truth"


4) If the twins are heard saying the following on the same day, which choice presents a correct statement ?
Twin A : "It is Sunday Today" ,Twin B : "Yesterday was Sunday",Twin A : "it is summer season now"


a) it is a summer sunday
b) it is a summer monday
c) it is Monday but not summer
d) it is Sunday but not summer
e) it is impossible to determine whether it is Sunday or Monday.

1.Three neighbors are there. 1st one lends 2nd and 3rd that many no. of tractors that then already each had. After

few months, 2nd lends to 1st and 3rd that many tractors then they had. After a few months 3rd lends to 1st and

2nd that many tractors then they had. Now each of them got 24. Find how many they had initially?
Ans: 39 21 12

2. 3 members expect which will be the elected party among 4 parties namely Flying party, Eatwell, Good sleep,

Loosing parties X expects that either f.p or e.w.p will win. Y expects that either f.p or g.s will win Z expects that

neither e.w.p nor g.s.p will win One part of each members statement is correct. Which party will win?
Ans: F.P

3. Three members are hunting in a forest. While crossing a stream cartridges of two of them gets wetted up. Then the third person vides his cartidges equally. After 4 shots of each person, total cartridges remaining are equal to what each had initially after sharing. How many total cartridges they initially they shared?
Ans: 18
Y
Y/3 Y/3 Y/3
Y/3-4 Y/3-4 Y/3-4
3(Y/3-4) =Y/3
Y=18

4. All members belonging to D are members of A
do........................E.................D
do........................C.................both A&D
Some members of A does not belong to D
do...............D......................E
5 questions are there.

5. Boys are allowed to watch football at c.v.Raman auditorium subjected to conditions.
1. the boy over age 16 can wear overcoat
2. no boy over age 15 can wear cap
3. to watch the football either he has to wear overcoat or cap or both
4. a boy with an umbrella or above 16 or both cannot wear sweater.
5. boys must either not watch football or wear sweater.What is the appearance of the boy who is watching football.
Ans: Who are above 15 and below 16 with cap. :


1.My neighbor has seven children. Every brother has equal no. of brothers and sisters, but each sister has twice as many brothers as sisters? Ans: 4,3


2.There are 11more animals than birds in a pet shop. If there are as many birds as animals and if there are as many animals as birds the no. of legs is 4/5 of the original. How many birds and animals are there? Ans: 22,11

3. One soap can be made out of the scraps obtained while preparing 11 soaps. How many soaps can be prepared out of the scrap obtained out of 251 soaps. (Take all possibilities) Ans: 25

4. There is a 5digit no. 3 pairs of sum is eleven each. Last digit is 3 times the first one. 3 rd digit is 3 less than the second. 4 th digit is 4 more than the second one. Find the digit. Ans : 25296.

5. 2XX
3XX
------
5XX
X4X
XX3
-------
XXXXX
-------
Find out the X's and seven is not there in the calculation. Ans: 281x332

6. There are 5 burglars and once went to a bakery to rob it obviously The first guy ate 1/2 of the total bread and 1/2 of the bread The second guy ate 1/2 of the remaining and 1/2 of the bread. The third guy ,fourth guy and fift guy did the same. After fifth guy there is no bread left out. How many bread are there? Ans:31

7. The main line train starts at 5.00AM and the harbor line train starts at 5.02AM.Each train has the frequency of 10 minutes. If a guy goes in the morning at a random time what is the probability of he getting main line train?

Ans: 0.8

8. There is 66x33m rectangular area. Ram is 11/8 times faster than Krishna . Both of them started walking at

opposite ends and they met at some point then, Ram said "See you in the other end" Then they continued walking. After some time Ram thought he will have tea so he turned back walked back 15 meters then he changed his mind again and continued walking .How much Krishna has traveled by the time they meet?

9. There are some chicken in a poultry. They are fed with corn. One sack of corn will come for 9 days. The farmer

decides to sell some chicken and wanted to hold 12 chicken with him. He cuts the feed by 10% and sack of corn comes for 30 days. So initially how many chicken are there?

Ans:36

10. Escalator Problem. A person walking takes 26 steps to come down on a escalator and it takes 30 seconds for him for walking. The same person while running takes 18 second and 34 steps. How many steps are there in theescalator?

11. There are 4 parties A,B,C,D. There are 3 people x,y,z. X-says A or D will win. Y-says A will not win.
Z-says B or D will not win. Only one of them is true. Which party won.

12. A gardener has a peculiar way of planting trees. He plants 100 ft. towards east, then he plants 100ft. towards orth 100ft. towards west, 98fts towards south. From that 98fts towards east, from that point 96fts towards north. When a man starts walking in the middle of the path outside garden. What is the total distance he raveled to reach the centre. Ans. 5200.

13. There is a T-agency in Mangalore and Bangalore . Total time taken in 9hrs. Trucks starts from both points at 6 a.m to 9 a.m in one hr intervals.
a. The truck when starts at 6 a.m in the morning mets how many trucks on the way.
b. How many trucks a truck which starts at 9 p.m will meet. For a and b Ans.9

14. Ramesh has X rupees, on Monday beginning of the month. On every Monday his mother gives 10 rupees as pocket money. He spends half of what he had during that week on the 4th Monday of the month, when his mother gave his pocket Monday, he had 27 1/2 rupees . What was the Money he had in the beginning.

Ans. 70/-

15. R,S,T,U,V are contesting for a medal. Evaluation is over, sasy English, Maths, Physics, Chemistry and Hindi. Toper will get 5 marks, least will get 1mark. No ties any where. R get 24 and won the overall medal. V-get I st in Chemistry and 3 rd in Hindi, T got consistent scores in 4 subjects. Their final standings where in the alphabetical order. What was the score of S in Chemistry.

16. There are 3 types of castes, say A,B,C. A- always tells truth, B- always false, C- alternating.
X says --> Z is of C type, I am of A type
Y says --> X is a B type.
Z says --> X is of B type.
Who is of which type.

17.. There are two families Sinha and Gupta with 2 children each. Pratap, Praveen, Lalit and Rajesh are 4 children. Each family has 2 children. All the children ages are approx. to the nearest integer. We have to find which all children are in which family and their corresponding ages which are <11.
1. Praveen is the eldest one.
2. Pratap is 5 years older then the youngest of the family .
3. Lalit is 1/2 of the age of the eldest of the Gupta family.

18. In a bank there is a Teller, Manager and Cashier says x,s etc.,
1. Teller is one who earns least
2. X has married S's sister.
3. Cashier earns more than manager.
Find out who is who.
ans. Cashier's wife is manager, X is the cashier, S is sister of the manager.

 


 

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