If –2< a < 11 and 3 < b < 12, then which of the following is NOT true?
(A) 1 < a+b < 23
(B) -14< a-b< 8
(C) -7< b-a< 14
(D) 1< b+a< 23
(E) -24< ab< 132

• (C) -7< b-a< 14
• 14 years agoHelpfull: Yes(1) No(0)
• C:
• 14 years agoHelpfull: Yes(1) No(0)
• c
• 14 years agoHelpfull: Yes(0) No(0)
• As a lies between -2 and 11 and b lies between 3 and 12 a+b cannot be more than 1 ie -2+3=1 and cannot be less than 11+12=23, Hence the solution is (A)1
• 14 years agoHelpfull: Yes(0) No(1)
• -7< b-a< 14
• 14 years agoHelpfull: Yes(0) No(0)