25M + 45W =15 days  Þ 5M + 9W = 75 days  15 M + 60W = 20 days  Þ 1M + 4W ® 300 days 300(1M + 4W) = 75(5M + 9W)   4M + 16W = 5M + 9W  7W = M W /M=1/7 Total work = 300 × (7 + 4) = 3300 units Now- 69 man + 67 women = 3300 / (69 × 7 + 67) = 6 days
1.3wx = 40 – wy
2. b2 = 2b + p
3. d2 + d = q
Now, observe the given conditions:
One root of equation...
Equation 1: x² - 90x + 2025 = 0
Equation 2: y² - 88y + 1936 = 0
I. 7x + 8y = 36
II. 3x + 4y = 14
I. 6 y² + 11 y – 7= 0
II. 21 x² + 5 x – 6 = 0
I. 5x + y = 37
II. 4y+ x = 15
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 45x + 450 = 0
Equation 2: y² - 48y + 540 = 0Â...
I. 4x2 + 9x - 9 = 0
II. 4y2 - 19y + 12 = 0
I. 14p² + 9p - 8 = 0
II. 4q² - 19q + 12 = 0
I. 20y² - 13y + 2 = 0
II. 6x² - 25x + 14 = 0
I. 81x - 117√x + 40 = 0
II. 81y - 225√y + 136 = 0
