There are 3 lights (in one room) and 3 swtiches (in another
room), one for each, if you only enter into the light room
once. How can you find out which switch corresponds to which
light?

Answer Posted / mudassam aslam

first turn one light 1, and keep it on
turn on light 2 and off again so that the bulb gets warm
and turn it off
now enter the room and switch 1 is already on. switch 2
bulb will be warm and remaining switch that ypu havent
touch will be off......its that simple :)

Is This Answer Correct ?    37 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

P pages read in d mins after day p+1 pages read in d+1 mins last day 379 pages done in 317 mins find p+4

2011


what three specific job positions do you target from qatar airways group u.k?

2673


4 cards are placed on a table, each card has two colors. U don't know the color of the back side of eachcard.4 persons A B C and D are sitting on the table before the cards. They can see Red, Green Red and blue.Out of the 4 poeple 2 always lie. They see the color on the reverse side and give the following comment A: Yello/green B: Neither Blue/nor Green c: Blue/Yello D: Blue/ Yello find out the color on the other side of the 4 cards. 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?

829


At 6o'clock ,a watch strokes 6 times.The time between first and last is 30secs.At midnight 12o' clock how much time for all strokes?

1010


why should we hire the others waiting to be interviewed?

2443






what job position/s are you currently holding with your current employer?

2678


There is puzzle with the word "CONSTANTINE" and exactly don't know the question if anybody knows the Q&A plz send it ahmed.basha.munna@gmail.com

2459


plz send me aptitude test questions on my email id bpraichur@gmail.com

3013


Three neighbours are there. 1st one lends 2nd and 3rd that many no.of tractors that then already each had.After few months , 2nd lends to 1st and 3rd that many tractors then they had. After a few months 3rd lends to 1st and 2nd that many tractors then they had.Now each of them got 24. Find howmany they had initially?

818


What is the syllabus for numerical aptitude exam to be held by the United bank of India. Plz inform me through email. Thanking You!

2449


foot is related to man in the same way hoof is related to...........

1939


Wo kay chej hi jo saal may 1 baar aata hai months may 2 baar aata hai weeks may 4 baar aata hai or din may 6 baar

1487


IDear sir, I have had a data containing of 4 numbers on daily basis for which I would like to know what is the next comming 4 numbers. Based on that data I would like to find out the next comming numbers. Support needed. regards chandramohan gudivada 09849974512 cm116_99@yahoo.com Example : 4513, 4132, 1465, 2941, 1762, 1432, 3412, 5283, 7261, 2643, 4751, 2581, 6513 .... and what is the next number in the sequence?

2198


sir i need generalKnowledge previous questions for rrb secunderabad goods guard exam

2225


Ship is 180 miles away from shore. At that time a plane started from shore to pass some information to the ship with 10 times velocity of ship's velocity. At what distance from shore they will meat?

923