Read the passage and answer the questions that follow.
• An odd integer is the difference of two squares of integers.
• The cube of an integer is difference of two squares.
• The cube of an odd integer can be expressed as difference of two squares in two different ways.
• The difference of the cubes of two consecutive integers is difference of two squares.
(i) If 103 = a2 – b2, then a – b =
(a) 5
(b) 0
(c) 10
(d) 15
(ii) If 93 = a2 – b2 = c2 – d2, a + b + c + d =
(a) 720
(b) 750
(c) 800
(d) 810
(iii) 153 – 143 = a2 – b2, ab =
(a) 90000
(b) 95940
(c) 99550
(d) 99540