Question
(5/8) x 320 + 100 = ?% of 200 +
90 What will come in the place of question mark (?) in the given expression?Solution
(5/8) x 320 + 100 = ?% of 200 + 90 => 200 + 100 = ?% of 200 + 90 => ?% of 200 = 210 => ? = 105
The nth term of a sequence is n² + 3n + 1. Find the difference between the 20th and 10th terms.
(i) 2x² – x – 3 = 0
(ii) 2y² – 6y + 4 = 0
The quadratic equation 2x² − kx + 3 = 0 has equal roots. Find k.
I.70x² - 143x + 72 = 0
II. 80 y² - 142y + 63 = 0
I. x2 – 18x + 81 = 0
II. y2 – 3y - 28 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 24x + 143 = 0
Equation 2: y² - 20y + 96 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 27x² - 114x + 99 = 0
Equation 2: 18y² - 70y + 68 = 0
I. x² - (16)2 = 0
II. 2y - 14 = 0
I. 8x² + 2x – 3 = 0
II. 6y² + 11y + 4 = 0
I. 3x2 - 14x + 15 = 0
II. 15y2 - 34 y + 15 = 0
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