As per section 81 of IPC motive should be___________________
Section 81.  Act likely to cause harm, but done without criminal intent, and to prevent other harm- Nothing is an offence merely by reason of its being done with the knowledge that it is likely to cause harm, if it be done without any criminal intention to cause harm, and in good faith for the purpose of preventing or avoiding other harm to person or property.
I. 2x2 – 5x - 12 = 0
II. y2 – 11y + 30 = 0
I. 4x² -  15x + 9 = 0
II. 20y² -  23y + 6 = 0
I. (y – 5)2 – 9 = 0
II. x2 – 3x + 2 = 0
I. 2y² - 11 y + 15 = 0
II. 2x² + 3x – 14 = 0
I. 63x² + 146x + 80 = 0
II. 42y² + 109y + 70 = 0
I. 8x² - 74x + 165 = 0
II. 15y² - 38y + 24 = 0
I. 2y2– 19y + 35 = 0
II. 4x2– 16x + 15 = 0
I. x ² + 5 x + 6 = 0                Â
II. y²+ 7 y + 12= 0
...I. p2+ 2p – 8 = 0 II. q2 – 5q + 6 = 0
I. y/16 = 4/y
II. x3= (2 ÷ 50) × (2500 ÷ 50) × 42× (192 ÷ 12)