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Let the total number of students be 30. Students who like mathematics = 18 Students who like science = 15 Students who like both mathematics and science = 8 Using the formula for the union of two sets: P(Math or Science) = P(Math) + P(Science) - P(Math and Science) P(Math or Science) = 18 + 15 - 8 = 25 The probability is: P = 25 / 30 = 5 / 6 Correct Option: b
Equation 1: x² - 90x + 2025 = 0
Equation 2: y² - 88y + 1936 = 0
The roots of the equations x2 + 16x + 63 = 0
I. p² - 10p +21 = 0
II. q² + q -12 = 0
I. 4x2+ 3√7 x-7 =0
II. 7y2+ 4√7 y-5=0
(i) 2x² + 14x - 16 = 0
(ii) y² – y – 12 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 6x² - 24x + 18 = 0
Equation 2: 5y² - 20y + 15 = 0
I. 2x2– 5x – 12 = 0
II. 2y2+ 13y + 20 = 0
I. 6x² - 23x + 7 = 0
II. 6y² - 29y + 9 = 0
I. 63x2+ 148x + 77 = 0
II. 21y2+ 89y + 88 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 4x² - 12x + 9 = 0
Equation 2: 2y² + 10y + 12 = 0
