there were 10 questions..4 X 3 marks***********1. room lighting.. room with 100 bulbs and switches..100 people goes in one by one.1st person toggles all switches2nd person toggles all switeches which r multiles of 2 ( 2,4,6..)and so on ( till 100th person toggling only 100th switch)once finished with all , which all bulbs r on..2. ieee single precision format for 1/5.form : 1 signbit, 8 bits for exponent,...

pshirishreddy

 Profile Answers by pshirishreddy Questions by pshirishreddy

• Aug 18th, 2010

The answer is all the prime numbers from 1 - 100 the first person turns off all the lightsthe second person turns on the even lightsthe third person turns on the multiples of 3 turns off the even multiples of 3you can observe the sequence 2 3 5 7 .. following 

kumar_sarma2000

 Profile Answers by kumar_sarma2000 Questions by kumar_sarma2000

• May 7th, 2007

to the bulbs question the answer is 10.the analysis is as follows;consider the factors of particular bulb excluding 1. first factor represents turning it OFF,second factor represents turning it ON,thi...

Answer Question  Select Best Answer