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Difference between speed of train from Patna (P) and that of Delhi (D) = 60 km/hr That means P runs 60 km more than D in 1 hour. Therefore, P must have run 600km more than D in 10 hrs. That means both the trains have run for 10 hrs, when they met. Distance covered by P in 10 hrs = Speed × Time = 120 × 10=1200 km. Distance covered by D in 10 hrs = Speed x Time = 60 × 10= 600 km. ∴ Total Distance between Patna and Delhi = 1200 + 600 = 1800 km.
The equation x2 – px – 60 = 0, has two roots ‘a’ and ‘b’ such that (a – b) = 17 and p > 0. If a series starts with ‘p’ such...
I. 4 x ² - 4 x + 1 = 0
II. 4 y ² + 4 y + 1 = 0
...I. 2y² - 11 y + 15 = 0
II. 2x² + 3x – 14 = 0
I. 104x² + 9x - 35 = 0
II. 72y² - 85y + 25 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 38x + 352 = 0
Equation 2: y² - 38y + 312 = 0
I. 66x² - 49x + 9 = 0
II. 46y² - 37y - 30 = 0
I. 3x2 - 14x + 15 = 0
II. 15y2- 34 y + 15 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 21x² - 82x + 80 = 0
Equation 2: 23y² - 132y + 85 = 0
In each of these questions, two equations (I) and (II) are given.You have to solve both the equations and give answer
I. x² - 8x + 15 = 0 ...
I. x2 – 18x + 81 = 0
II. y2 – 3y - 28 = 0
