With a lot of pain. Feel free to try and see for yourself. Such a question would have been created with the explicit intent of checking whether you are willing to look for better methods or are a slave to that one method you learned in school. regards J Reply
CAT-holics 
sir how can we solve the 2nd question using lcm method ?
With a lot of pain. Feel free to try and see for yourself. Such a question would have been created with the explicit intent of checking whether you are willing to look for better methods or are a slave to that one method you learned in school.
regards
J