Oct 24, 2010

What is the journey length?

A train travels at an average speed of 40kmph to reach its destination. But at d speed of 35kmph it reaches 15min late. wat's the journey length?

Answer: 
70km

Oct 23, 2010

What is the relation?

A girl introduces a boy that he is my father's mother's son-in-law's son. How the girl related to the boy?

Answer: 
Cousin

Oct 22, 2010

Find out the next no.

Try this...
9 = 4, 21 = 9, 22 = 9, 24 = 10, 8 = 5, 7 = 5, 99 = 10, 100 = 7, 16 = ?, 17 = ?


Answer:   
16 = 7
17 = 9


Explanation:
The numbers on the right hand side signifies the number of letters in the spelling of the numbers on the left hand.
Eg: 16(Sixteen) = 7
      17(Seventeen) = 9

Oct 21, 2010

How many times will it flash??

If a light flashes every 6 seconds, how many times will it flash in 3/4of an hour?


Answer: 
451 times.
Explanation:
There are 60 minutes in an hour.
            In ¾ of an hour there are (60 * ¾) minutes  = 45 minutes.
                        In ¾ of an hour there are (60 * 45) seconds = 2700 seconds.
            Light flashed for every 6 seconds.
                        In 2700 seconds 2700/6 = 450 times.
The count start after the first flash, the light will flashes 451 times in ¾ of an hour.

Who was the second?

5 boys were climbing a hill. J was following H. R was just ahead of G. K was between G & H. They were climbing up in a column.Who was the second?



Answer:
G.
            Explanation:
            The order in which they are climbing is R – G – K – H – J    

What is the relation?

Introducing a boy, a girl said, "He is the son of the daughter of the father of my uncle." How is the boy related to the girl?

Answer:Brother
Explanation:
The father of the boy's uncle → the grandfather of the boy and daughter of the grandfather → sister of father.

Oct 19, 2010

How many times do the hands of a clock coincide in a day?

How many times do the hands of a clock coincide in a day?

Answer:
22

Explanation:
The hands of a clock coincide 11 times in every 12 hours (Since between 11 and 1, they coincide only once, i.e., at 12 o'clock).
AM
12:00
1:05
2:11
3:16
4:22
5:27
6:33
7:38
8:44
9:49
10:55


PM
12:00
1:05
2:11
3:16
4:22
5:27
6:33
7:38
8:44
9:49
10:55

The hands overlap about every 65 minutes, not every 60 minutes.
The hands coincide 22 times in a day.

What will be the time?

If time at this moment is 9 P.M., what will be the time 23999999992 hours later?

Answer :
1 P.M


Explanation
  24 billion hours later, it would be 9 P.M. and 8 hours before that it would be 1 P.M.
 

Oct 18, 2010

Find the length of the tunnel..

A train 800 metres long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is??


Answers:
500meters


Explanation:

Speed =(78 x5(m/sec=(65(m/sec.
183

Time = 1 minute = 60 seconds.
Let the length of the tunnel be x metres.
Then,(800 + x(=65
603

=> 3(800 + x) = 3900
=> x = 500

What is the relation??

Boy's mother in law is mother of girl's mother in law then what is relation between boy and girl?


Answer:
Girl is boy's daughter-in-law.