LIC AAO Model Paper 4

By equation I x 5 - II x 8
40x- 35y = 675
40x- 48y= 792
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-13y = - 117
⇒ y = 9From equation I,
8x + 7 x 9 = 135
⇒ 8x= 135-63
= 72
⇒ x= 9
From equation III,
9x9 + 8z= 121
⇒ 82= 121-81 =40
⇒ z = 5
Clearly, x = y > 2