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I. 35x² + 83x + 36 = 0 35x² + 63x + 20x + 36 = 0 7x (5x + 9) + 4(5x + 9) = 0 (7x + 4) (5x + 9) = 0 x = - 4/7 , - 9/5 II. 42y² + 53y + 15 = 0 42y² + 18y + 35y + 15 = 0 6y(7y + 3) + 5(7y + 3) (6y + 5) (7y + 3) = 0 y = - 5/6 , - 3/7 Hence no relationship can be established.
7 12 33 ? 635 3804
...The following numbers form a series followed by a (?). Find the odd one out first and then find that what will come in place of the question mark (?) ac...
62 90 122 158 198 ?
150 160 140 ? 130 180
...13 14 22.5 ? 120 363
...5 16 ? 66 119 200
...9 49 251 ? 2999 5989
...840 400 180 ? 15 -12.5
...29 51 95 183 ? 711
Three series are given below. You have to find the values of P, Q and R, then establish a relationship among them.
I: 210, P , 233, 64...
