Gifts received by each student = 20% of total number of students i.e. => 20/100 × 40 = 8 Gifts received by each teacher = 15% of total number of students i.e. => 15/100 × 40 = 6 Total Gifts = 40 × 8 + 6 × 8 = 368
I). p2 + 22p + 72 = 0,
II). q2 - 24q + 128 = 0
I. 5x² -14x + 8 = 0
II. 2y² + 17y + 36 = 0
I. 35x² - 46x – 16 = 0
II. 35y² - 116y + 96 = 0
I. 6x2 + 19x + 10 = 0
II. y2 + 10y + 25 = 0
I. 8a2 – 22a+ 15 = 0
II. 12b2 - 47b + 40=0
I. 66x² - 49x + 9 = 0
II. 46y² - 37y - 30 = 0
I. 2x² + 11x + 12 = 0
II. 2y² + 19y + 45 = 0
I.12a2– 55a + 63 = 0
II. 8b2- 50b + 77 = 0
...I. 7p + 8q = 80
II. 9p – 5q = 57
I. x= √(20+ √(20+ √(20+ √(20…………….∞)) ) )
II. y= √(5√(5√(5√(5……….∞)) ) )
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