the probability of getting at least in a single through of three coins is

DSQ Software,

One person start from his home towards college which is 53 km far away. Another person started from college towards home after an hour. the speed of first one is 4kmph and the second one is 3 kmph. Then, what is the distance from home to their meeting point?

HCL,

3 red and 4 blue balls are in a basket. A member of PPTeam is drawing balls from the basket.What is the probablity of getting the 3 red balls simultaneously?

Hexaware,

How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?

The distance b/w 2 places is 1000 miles and a man has a camel which eats an apple/mile. He has 3000 apples and want to transport from one to another. Camel can take 1000 apples at a time. when reaching the destination how many apples will be with him?

Huawei,

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?

IBM,

A ship went on a voyage after 180 miles a plane statrted with 10 times speed that of the ship. Find the distance when they meet from starting point.

IBM,

If a car starts from A towards B with some velocity due to some problem in the engine after travelling 30km.If the car goes with 4/5 th of its actuval velocity the car reaches B 45min later to the actual time. If the car engine fails ofter travelling 45km, the car reaches the destination B 36min late to the actual time , what is the initial velocity of car and what is the distance between A and B in km ans) 20 &

IBM,

Can We Change settings within Hive Session? If Yes, How?

When we are using queries instead of scripting?

A chain is broken into three pieces of equal lengths containing 3 links each. It is taken to a blacksmith to join into a single continuous one. How many links are to to be opened to make it ?

Infosys,

A chain is broken into three pieces of equal lenths containing 3 links each. It is taken to a backsmith to join into a single continuous one . How many links are to to be opened to make it ?

Infosys,

Seven members sat around a table for three days for a conference. The member's names were Abhishek, Amol, Ankur, Anurag, Bhuwan ,Vasu and Vikram. The meetings were chaired by Vikram. On the first evening members sat around the table alphabetically. On the following two nights, Vikram arranged the seating so that he could have Abhishek as near to him as possible and absent minded Vasu as far away as he could. On no evening did any person have sitting next to him a person who had previously been his neighbor. How did Vikram manage to seat everybody to the best advantage on the second and third evenings?

Infosys,

A soldier looses his way in a thick jungle at random walks from his camp but mathematically in an interesting fashion. First he walks one mile east then half mile to north. Then 1/4 mile to west, then 1/8 mile to south and so on making a loop. Finally hoe far he is from his camp and in which direction.

InfoTest,

ram singh goes to his office in the city, every day from his suburbun house. his driver mangaram drops him at the railway station in the morning and picks him up in the evening. Every evening ram singh reaches the station at 5 o'clock. mangaram also reaches at the same time. one day ramsingh started early from his office and came to the station at 4 o'clock. not wanting to wait for the car he starts walking home. Mangaram starts at normal time, picks him up on the way and takes him back house, half an hour early. how much time did ram singh walk.

InfoTest,