please answer me of that ques... like starting for 1.. no divided by 7 is 20.. i didnt remember... bt ques is like .. in an exam subject is assigned according to roll no.

• ans is 48
  que is roll no. as even no take java no divisible by 5 take the oder subject..and no divisible by 7 total 20 stdents take oder subject...den how many students..r not interested in any subject..
• 9 years agoHelpfull: Yes(4) No(0)
• form last condition it is very clr dat we hv total stdnts 140 from roll no 1 to 140...
• 9 years agoHelpfull: Yes(0) No(0)
• correct akash
  
• 9 years agoHelpfull: Yes(0) No(0)