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The pattern is that the number in the middle is obtained by multiplying the numbers on each sides and then dividing the result by ‘13’. 
Hence, the correct answer is (C).
What is the nature of the roots of the quadratic equation x² – 5x + 7 = 0 ?
l). 2p² - 10p - 48 = 0
ll). q ² + 5q - 234 = 0
I. 3p² - 14p + 15 = 0
II. 15q² - 34q + 15 = 0
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 32x + 252 = 0
Equation 2: y² - 30y + 221 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 97x² - 436x + 339 = 0
Equation 2: 103y² - 460y + 357 = 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
I. 8x – 3y = 85
II. 4x – 5y = 67
I. 5x² = 19x – 12
II. 5y² + 11y = 12
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...
