Question
412, 320, 241, 169, 106,
52 Find the wrong number in the given number series.Solution
ATQ, 412 - (10 X 9) = 322 322 - (9 X 9) = 241 241 - (8 X 9) = 169 169 - (7 X 9) = 106 106 - (6 X 9) = 52 Therefore, 322 should come in place of 320.
I. 104x² + 9x - 35 = 0
II. 72y² - 85y + 25 = 0
One of the roots of the equation x² – 12x + k = 0 is x = 3. The other root is ___________.
I). p2 + 22p + 72 = 0,
II). q2 - 24q + 128 = 0
I. 20y² - 13y + 2 = 0
II. 6x² - 25x + 14 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 29x + 210 = 0
Equation 2: y² - 27y + 182 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 50x + 600 = 0
Equation 2: y² - 51y + 630 = 0
I. 4x² - 21x + 20 = 0
II. 8y² - 22y + 15 = 0
I. 4p² + 17p + 15 = 0
II. 3q² + 19q + 28 = 0
I. 35 y² + 58 y + 24 = 0
II. 21 x² + 37 x + 12 = 0
I. x3 = 1728
II. y2 – 15y + 56 = 0