Birds

Written on 11:40 am by Vja Students

No. of animals is 11 more than the no. of birds. If the no.of birds were the no. of animals and no. of animals were the no. of birds( ie., interchanging no.s of animals and birds.), the total no. of legs get reduced by one fifth(1/5). How many no. of birds and animals were there?

ans: birds:11,animals:22

Family

Written on 11:59 am by Vja Students

A family I know has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?




Ans: 4 boys and 3 girls.

Cards

Written on 5:11 pm by Vja Students

9 cards are there. U have to arrange them in a 3*3 matrix.Cards are of 4 colors.They are red,yellow,blue,green.

Conditions for arrangement:

One red card must be in first row or second row.

2 green cards should be in 3rd column.

Yellow cards must be in the 3 corners only.

Two blue cards must be in the 2nd row.

At least one green card in each row.

Solution:

Yellow Red Green

Blue Blue Green

Yellow Green Yellow

Fly

Written on 2:37 am by Vja Students

A fly sitting on one of the hours around the rim of a 12 hr clock took it into its primitive head ( i.e. decided ) to jump forward the same number of hours as the number of the hour it was first sitting on. It continued in this way with each jump moving the same number of hours until it was back where it had started. What are the chances that it visited all the hours before getting back to where it started ?




Ans: There are 4 chances out of 12 for the fly to sit.They are as follows

1 2 3 4 5 6 7 8 9 10 11 12 1

5 10 3 8 1 6 11 4 9 2 7 12 5

7 2 9 4 11 6 1 8 3 10 5 12 7

11 10 9 8 7 6 5 4 3 2 1 12 11

Painters

Written on 10:22 am by Vja Students

Two painters are painting plaques for the numbers of the houses of Puzzle Street (which are consecutive starting with one). In the time it takes the younger one to paint 4 digits, the older painter paints 5 digits. The younger begins with the numbers 1, 2, 3.... and the older painter with the last ones. They paint the last house plaque at the same time and each one has painted the same number of plaques. How many houses are there on the street ?



Ans: There are totally 45 houses.

Sitting & Jumping

Written on 1:08 am by Vja Students

A fly sitting on one of the hours around the rim of a 12 hr clock took it into its primitive head ( i.e. decided ) to jump forward the same number of hours as the number of the hour it was first sitting on. It continued in this way with each jump moving the same number of hours until it was back where it had started. What are the chances that it visited all the hours before getting back to where it started ?

Ans: There are 3 chances out of 12

4,8,4

8,4

12

Houses

Written on 4:48 pm by Vja Students

1. There are 5 houses in five different colors.

2. In each house lives a person with a different nationality.

3. These five owners drink a certain drink, smoke a certain brand of cigar, and keep a certain pet.

4. No owners have the same pet, smoke the same brand of cigar or drink the same drink.

The question is - who owns the fish?

Hints

* the British lives in the red house.

* the Sweden keeps dogs as pets.

* the Denmak drinks tea.

* the green house is on the left of the whitehouse.

* the green house owner drinks coffee.

* the person who smokes Pall Mall rears birds.

* the owner of the yellow house smokes Dunhill.

* the man living in the house right in the center drinks milk.

* the Norwegian lives in the first house.

* the man who smokes blends lives next to the one who keeps cats.

* the man who keeps horses lives next to the man who smokes Dunhill.

* the owner who smokes bluemaster drinks beer.

* the German smokes prince.

* the Norwegian lives next to the blue house.

* the man who smokes blend has a neighbor who drinks water.


Ans: German

Two painters are painting plaques for the numbers of the houses of Puzzle Street (which are consecutive starting with one). In the time it takes the younger one to paint 4 digits, the older painter paints 5 digits. The younger begins with the numbers 1, 2, 3.... and the older painter with the last ones. They paint the last house plaque at the same time and each one has painted the same number of plaques. How many houses are there on the street ?

Series

Written on 1:36 pm by Vja Students

Find the next number in the series of 9 numbers 11 ,4, 9, 164


Ans: 25

nth number in the series=

(n) * (The first prime number starting with digit n)

1*11 2*2 3*3 4*41 5*5 ….

Cups

Written on 2:46 pm by Vja Students

Chaitu,Balaji & Dileep sit at a round table. On the table, there are 12 cups full of tea. Every day, at 6 o'clock, each of the table-companions move two places to his right or left (if the place is free) and drinks all the tea at that place, if there is any in his cup. After the place changing, Karthik fills one of the cups. In this way, at least how many cups can Karthik keeps full ?



Ans: Karthik can always keep at least 7 cups filled. He only has to seat the three dinners alternating. Thus 6 cups will be always untouched. And he can always fill 1.

Pages

Written on 7:43 am by Vja Students

How many pages are there in a book, if there are a total of 100 digits used to number its pages?


Ans: There are a total of 100 digits. Therefore the number of pages is less than 100.now there are only 9 single digit numbers (of course excluding 0).Thus as long as the number of the last page is less than 100.the total will always be an odd number (remember 9).Thus the above question is not possible.

Man in the house

Written on 8:37 pm by Vja Students

A man lives in his house. He also works out of his house and his job is very important. Everyday the man must sleep with the lights on to avert from tragedy. One night the man gets so sick of the light he turns it out for the night. The next morning he reads the newspaper, takes out a gun, and shoots himself. Where did the man live?




Ans:A light house

When are u coming back.

Written on 11:07 pm by Vja Students

The fly alights on one of the hours around the rim of a 12- hr clock. It always jumps forward the same number of hours as the number of the hour it has just alighted on. What are the chances of getting back to where it started?


Ans: There are 3 chances out of 12
4,8,4
8,4
12

Who am I

Written on 2:00 pm by Vja Students

I go up and down at the very same time I exist throughout life on only one side I am very old and yet may be new . You might see me but I'll never see you. Who am I?

Ans: The moon

Series

Written on 7:32 am by Vja Students

Find the next number in the series 11 12 20 23 33 46


Ans: All the numbers given are the Fibonacci numbers in increasing bases starting 2 .
Therefore, 12 = 5base3, 20=8base4, 23=13base5 etc ... answer = 67 which is 55base8

English

Written on 2:19 pm by Vja Students

State the words in the English language which have the same pronunciation but the two words have the exact opposite meaning.



Ans: raise and raze

raise as in to build up, construct and raze as in to demolish, tear down.

Hole and whole are close but not as exact as raise/raze

Water

Written on 7:56 am by Vja Students

A man walks into a bar and asks the barman for a glass of water. The barman pulls out a gun and points it at the man. The man says: 'Thank you' and walks out. Why?


Ans: The man had hiccups. The barman recognized this from his speech and drew the gun in order to give him a shock. It worked and cured the hiccups-- so the man no longer needed the water.

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