select the option which is the logical equivalent of the ststement given below
if you study hard,you will crack the cat

a)if you crack the cat,then you have prepared hard
b)if you didnot crack the cat then you didnt work hard
c)you didnot study hard or you would crack the cat
d)you didnt crack the cat and you didnt study hard as well

• option b
  let p:{study hard} and q:{crack the cat }
  we know that p==>q the opposite of q ==> the opposite of p
  so (b) the correct answer
• 10 years agoHelpfull: Yes(27) No(1)
• option c
  you didnot study hard or you would crack the cat
• 10 years agoHelpfull: Yes(2) No(17)
• a)if you crack the cat,then you have prepared hard
• 9 years agoHelpfull: Yes(2) No(1)
• why b ???. it should be (a)
  
• 8 years agoHelpfull: Yes(2) No(0)