Daily JOBS
(Puzzles) Latest Infosys Puzzles (12)
Puzzles :
Latest Infosys Puzzles
301. Father's age is three years more than three times the son's age. After three years, father's age will be
ten years more than twice the son's age. What is the father's present age?
Ans: 33 years.
302. Light glows for every 13 seconds . How many times did it glow between 1:57:58 and 3:20:47 am.
Ans : 383 + 1 = 384
303. There are 20 poles with a constant distance between each pole. A car takes 24 second to reach the
12th pole.How much will it take to reach the last pole.
Ans: 41.45 seconds (Let thedistance between two poles = x, Hence 11x:24::19x:? )
304. A man collects cigarette stubs and makes one full cigarette with every 8 stubs. If he gets 64 stubs how
many full cigarettes can he smoke. Ans: 8+1=9
305. The minute and the hour hand of a watch meet every 65 minutes. How much does the watch lose or gain time
and by how much?
Ans: Gains; 5/11 minutes
306. A survey was taken among 100 people to find their preference of watching T. V. programs. There are 3
channels. Given the no of people who watch
• at least channel 1
• at least channel 2
• at least channel 3
• no channels at all
• at least channels 1and 3
• at least channels 1 and 2
• at least channels 2 and 3
Find the no of people who watched all three.
307. Some statements are given below:
• L says all of my other four friends have money
• M says that P said that exactly one among them has
money
• N says that L said that precisely two among them
have money
• O says that M said that three of the others have
money
• P, L and N said that they have money
All the above statement are false. Who has money & who doesn't have any money?
308. 500 men are arranged in an array of 10 rows and 50 columns according to their heights. Tallest among each
row of all are asked to fall out. And the shortest among them is A. Similarly after resuming that to
their original positions that the shortest among each column are asked to fall out. And the tallest among
them is B. Now who is taller among A and B ?
Ans. A
309. Mr. Mathurs jewels have been stolen from his bank
locker. The bank has lockers of 12 people which are
arranged in an array of 3 rows and 4 columns like:
1 2 3 4
5 6 7 8
9 10 11 12
• The locker belonging to JONES was to the right of
BLACK'S locker and directly above MILLAR'S.
• BOOTH'S locker was directly above MILLAR'S.
• SMITH'S locker was also above GRAY's (though not directly).
• GREEN'S locker was directly below SMITH'S.
• WILSON'S locker was between that of DAVIS and BOOTH.
• MILLAR'S locker was on the bottom row directly to
the right of HERD'S.
• WHITE'S locker was on the bottom right hand corner in the same column as BOOTH'S.
Which box belonged to Mr. Mathurs?
Ans: Box number 9 belongs to Mr.Mathurs.
310. Problem based on sets. 100 ppl. 85 are married, 70 have phone, 75 have house, 60 have car. find ppl having house, car, phone and r married?? easy set problem. i am not sure abt figures but find total ppl who do not have these things
and subtract from 100 to get ppl having all these.
ans. 10
311. village and town. in between a hill. a person travels on cycle 8 km uphill and 24 downhill to reach town continuously in 2hrs 50 min. then he comes to village in 4 hrs and 30 min. find his speed uphill and downhill.
ans. uphill 6
downhill 16
312. find wizard's age. his age is 3 times son's age, his father's age is 40 more than twice his age. total of their ages is 1240.
ans. 360
313. there r some steps. i come down 7 steps then see a man at bottom. then he comes up and i go down at same speed(my speed). when 4 steps r remaining for me i find tht man has reached the top.
for my single step downwards he took 2 steps up. find total steps.
ans. 22 steps.
314) One person went to market to purchase three varieties of chocolates. He had purchased 20 items with 20 cents. Fudges are available at 4 cents each, chaco bars are available at 4 for a penny and gum pints are available at 2 a penny. How many of each item he had purchased.
315) There is a five digit number, where the third number is one higher than the sum of first and second digits. Fourth digit is twice of fifth and third digit is twice the fourth. Second digit is five more than the first digit. What is the number
316) A cube, which is painted red on all its sides, is cut into 27 cubes with three straight cuts. Now how many cubes have
i) No red face
ii)One red face
iii)Two red faces
iv)Three red faces
317) It is a typical Tap problem. There are two taps, which are used to fill the tank and one tap to empty the tank. First tap fill the tank in 10 min., while the second takes quarter of an hour to fill the tank if both are operated independently. Third tap is capable of emptying the tank in seven and a half minutes. If all the taps are opened simultaneously (when the tank is empty) how long (if ever) will it take for the tank to get filled completely?
318) Ten years before, one is seven years more than the "half the age" of other. Now the bride’s age is 30 years. And also one is nine-tenths the age of other. What is groom’s present age.
319) Two guys are tossing coin with a bet of $1 for each game. After some tosses., one guy earned $3 while the other won three times. How many games do they play.
320) There is one 8 marks analytical question. Which is the easiest puzzle I had ever seen. There are in total eight members in the group. Five members are to be selected from that group. They had given three conditions. We have to answer four multiple-choice questions which are framed based on the above three conditions. In almost all the questions, answer can be found out by eliminating the answers from the choices. Going thru the GRE Barrons analytical section will help. Get the gist of it., rather than trying to solve more and more.
321) There are four friends, who are speaking about the pizza, which one of them ate before. Each one will say one statement and we were given that one of them is lying. We have to find out who ate the pizza. Easy one.., no need to worry abt. this.
322) All the above nine puzzles are very easy when compared to this one. This is difficult not because of logic but because of its grammer. The sentence structure is too complicate. This question reminded me of puzzle 127 of sakunthala devi’s Puzzles to Puzzle U.
323. there is a 1 km long wire plces on x poles . if the no of poles is reduced by 1 then he distance of wire between each poles
increases 1 2/3.how many poles are there intially.\
324. clark ,jones,mason, smith are 4 ppl. there are 4 professions druggists,grocer,butcher,policeman.find out who is who?
1)clark and jones are neighbours and they drive each other to work.
2)jones earns more than mason
3) the police man earns more than the druggists and i "think" the grocer.
4) the policeman does not have a druggists as a neighbour.
5) the butcher walks to work
6)policeman does not meet the grocer until he arrests him for commiting an offence.
325. A and B write a test
A says " i got a third of the ques. wrong"
B says " i got 5 wrong"
together they got three quarters of the questions correct.
how many did a get correct. (5 m)
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