There are 600 tennis players,out of which 4% wear wrist band on One wrist.Of the remaining players,25% wear on both hands.How many players don't wear a wrist band?
Answer:432 players
Explanation:
4% of 600 is 24.
ie)24 players are wearing band in one hand
Remaining 576 players are there. Among them,only 25%
is wearing in both hands. ie)75% of players(among 576) are not wearing band
75% of 576 is 432
576*(75/100)=432
Tuesday, April 7, 2009
Monday, March 23, 2009
INTERVIEW QUESTIONS-PART I
1.Jim travels the first 3 hours of his journey at 60 kmph speed & remaining 5 hrs at 24 kmph speed.What is the average speed of Jim's travel in kmph?
ANSWER:37.5kmph
Explanation: The total distance Jim travels is 300 kmph and the total hour he travels is 8. To find average, just divide total distance by time
300km/8hr = 37.5 kmph
2.The population of a city increases by 4% per annum.There is an additional annual increase of 4% due to job seekers.Find the percentage increase after 2 yrs?
ANSWER:
17 % increase in population
Explanation:Every year population increases by 8%
say,if 100 people r there,then
after 1st yr=108(8% increase)
2nd yr=117(108+(108/100))
3.The ratio of daily wages of two workers is 4 : 3 and
one gets daily Rs 9 more than the other, what are their daily
wages respectively?
ANSWER:
The daily wages of the workers are 36 and 27
Explanation:Let their daily wages be 4x and 3x respectively.(The difference between their wages is 'x')
Given,one earns Rs.9 more than other.
Therefore x=9
Hence their daily wages are 36 and 27
4.A straight fence, 12 meters long is made from a horizontal wire held up by vertical posts, 3 meters apart. Totally How many posts are there?
Answer:There are totally 5 posts. The posts are located at the following positions
0, 3, 6, 9, 12
Note: i hav taken 0 as starting point
5.SHANE is the sixth tallest in his class and he is also the sixth shortest in his class.Now tell me how many people are there in his class?
ANSWER:
There are totally 11 students in his class
Explanation:
1
2
3
4
5
SHANE
7
8
9
10
11
If you count from either side SHANE's position will be 6
6.The population of a village doubles every 50 yrs.If no. of people in the village is currently 1000,what will its population be in three centuries?
ANSWER:
64,000 people
EXPLANATION:
After 50 yrs =2000
After 100 yrs=4000
After 150 yrs=8000
After 200 yrs=16000
After 250 yrs=32000
After 300 yrs=64000
ANSWER:37.5kmph
Explanation: The total distance Jim travels is 300 kmph and the total hour he travels is 8. To find average, just divide total distance by time
300km/8hr = 37.5 kmph
2.The population of a city increases by 4% per annum.There is an additional annual increase of 4% due to job seekers.Find the percentage increase after 2 yrs?
ANSWER:
17 % increase in population
Explanation:Every year population increases by 8%
say,if 100 people r there,then
after 1st yr=108(8% increase)
2nd yr=117(108+(108/100))
3.The ratio of daily wages of two workers is 4 : 3 and
one gets daily Rs 9 more than the other, what are their daily
wages respectively?
ANSWER:
The daily wages of the workers are 36 and 27
Explanation:Let their daily wages be 4x and 3x respectively.(The difference between their wages is 'x')
Given,one earns Rs.9 more than other.
Therefore x=9
Hence their daily wages are 36 and 27
4.A straight fence, 12 meters long is made from a horizontal wire held up by vertical posts, 3 meters apart. Totally How many posts are there?
Answer:There are totally 5 posts. The posts are located at the following positions
0, 3, 6, 9, 12
Note: i hav taken 0 as starting point
5.SHANE is the sixth tallest in his class and he is also the sixth shortest in his class.Now tell me how many people are there in his class?
ANSWER:
There are totally 11 students in his class
Explanation:
1
2
3
4
5
SHANE
7
8
9
10
11
If you count from either side SHANE's position will be 6
6.The population of a village doubles every 50 yrs.If no. of people in the village is currently 1000,what will its population be in three centuries?
ANSWER:
64,000 people
EXPLANATION:
After 50 yrs =2000
After 100 yrs=4000
After 150 yrs=8000
After 200 yrs=16000
After 250 yrs=32000
After 300 yrs=64000
LOGICAL REASONING:
1.In a certain code LOGIC is written as IRJLF, how will be MAGIC written in that same code?
ANSWER:
MAGIC=PDJLF
EXPLANATION:Alphabets at odd position like A,C,E etc are moved 3 step forward while alphabets at even position like B,D,E are moved 3 steps down the line
2.In a certain code, KING is written as 119147. How will be QUEEN written in that same code?
ANSWER:
QUEEN=17215514
Explanation: The position of each letters in English alphabets is substituted instead of letters. For eg. Instead of E, 5 is used
Q=17,U=21,E=5 and N=14
3.If LIVED is DEVIL, then what is 4689?
ANSWER:
9864
Explanation:The given term is just reversed.So reversing 4689 gives 9864
Tip:Sometimes in interviews,such easy questions are given to confuse the candidate, Beware of such tricks.
ANSWER:
MAGIC=PDJLF
EXPLANATION:Alphabets at odd position like A,C,E etc are moved 3 step forward while alphabets at even position like B,D,E are moved 3 steps down the line
2.In a certain code, KING is written as 119147. How will be QUEEN written in that same code?
ANSWER:
QUEEN=17215514
Explanation: The position of each letters in English alphabets is substituted instead of letters. For eg. Instead of E, 5 is used
Q=17,U=21,E=5 and N=14
3.If LIVED is DEVIL, then what is 4689?
ANSWER:
9864
Explanation:The given term is just reversed.So reversing 4689 gives 9864
Tip:Sometimes in interviews,such easy questions are given to confuse the candidate, Beware of such tricks.
PUZZLE
If the day after tomorrow is three days before wednesday, what day is today?
ANSWER:
FRIDAY
EXPLANATION:
For such puzzles, split it into 2 parts.
1)Three days before wednesday is sunday.
2)Two days before sunday is friday.
ANSWER:
FRIDAY
EXPLANATION:
For such puzzles, split it into 2 parts.
1)Three days before wednesday is sunday.
2)Two days before sunday is friday.
Friday, March 20, 2009
PUZZLE
PUZZLE:
The square of a positive integer is more than its five times by 14. What is the positive integer?
ANSWER: The positive Integer is 7
EXPLANATION: Let the positive integer be 'x'.
Mathematically it can be represented as x^2=5x+14
==>x^2-5x-14=0.
Solving the above equation we get x=7 & x=-2
Since the question is about positive integer, therefore x=7 is the correct answer
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