Total number of marbles= 10+4+7+5=26 Number of favorable outcomes (black or pink marbles) =7 (black) + 4 (pink) = 11 Probability= P (black or pink) = 11/ 26 The probability that a single marble chosen at random from the jar is black or pink is 11/26
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 26x + 168 = 0
Equation 2: y² - 23y + 132 = 0
I. x2 + 13x + 42 = 0
II. y² + 13y + 40 = 0
I. 3y2 + 13y - 16 = 0
II. 3x2 – 13x + 14 = 0
I. 6x² + 37x + 45 = 0
II. 3y² - 11y + 6 = 0
l. p2 - 3p - 54 = 0
II. q2 - 19q + 90 = 0
I. 117x² + 250x + 117 = 0
II. 54y² -123y + 65 = 0
I. 3x2 – 17x + 10 = 0
II. y2 – 17y + 52 = 0
Quantity I: A vessel contains a mixture of milk and water in the ratio of 7 : 5. If 9 litre of mixture is sold and replaced by same amount of water then...
I. 5x² = 19x – 12
II. 5y² + 11y = 12
I. 2x² - 12x + 16 = 0
II. 4y² - 8y - 12 = 0
