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|Vipul was studying for his examinations and the lights went
off. It was around 1:00 AM. He lighted two uniform candles
of equal length but one thicker than the other. The thick
candle is supposed to last six hours and the thin one two
hours less. When he finally went to sleep, the thick candle
was twice as long as the thin one.
For how long did Vipul study in candle light?
|There are N secret agents each know a different piece of
secret information. They can telephone each other and
exchange all the information they know. After the telephone
call, they both know anything that either of them knew
before the call.
What are the minimum number of telephone calls needed so
that all of the them know everything?
|What is the ten letter city 7 8 9 is a famous festival 3 4 5
is a degree 2 1 is a abbreviation of group of countries 7 6
gives the meaning?
|A 3 digit number is such that it's unit digit is equal to
the product of the other two digits which are prime. Also,
the difference between it's reverse and itself is 396.
What is the sum of the three digits?
|If a rook and a bishop of a standard chess set are randomly
placed on a chessboard, what is the probability that one is
attacking the other?
Note that both are different colored pieces.
|Find the least number which when divided by 35, leaves
remainder 25; when divided by 45, leaves remainder 35 and
when divided by 55, leaves remainder 45.
|Outside a room there are three light switches. Each switch
is connected to a different light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.
You are allowed to set each switch the way you want it,
once, and then enter the room.
Your task is to then determine which switch controls which
bulb. How can you do it?
|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?
|Why do you want to do job in Pharma midical company?
|If a monkey climbes 3mts in 1hr and slips back 2mts. What
the time taken to climb 20mts .
|A person X have a certain number of mangoes, he gave 1/2 of
total plus one mango to B, now he gave the 1/3 of remaining
plus one mango to C, he gave the 1/4 of remaining plus one
mango to D. Now he have no mango more, find how many mango
was at beginning?
|Three containers are of 15,10 and 6 ltrs capacity.
Initially its in configuration (15,0,0). Make it to
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