Question
A person travelled a distance of 190 km in 5 hours. He
travelled partly on a car at the speed of 70 kmph and partly on cycle at 30 kmph. What is the distance travelled by him by car ?Solution

Solve the quadratic equations and determine the relation between x and y:
Equation 1: x² - 38x + 352 = 0
Equation 2: y² - 38y + 312 = 0
Quantity I: The cash price of a notebook is Rs. 100 but is can also be purchased on 11 monthly equal instalments of Rs. 10 each. Find rate of S.I.?
...I. 3x6- 19x3+16=0
II. 9y4- 27y2+20=0
I. 14p2 – 135p + 81 = 0
II. 7q2 – 65q + 18 = 0
I. x2 – 39x + 360 = 0
II. y2 – 36y + 315 = 0
I. x² - 208 = 233
II. y² + 47 - 371 = 0
- For what value of a does the quadratic equation x² + ax + 81 = 0 have real and identical roots?
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. 5x² -14x + 8 = 0
II. 2y² + 17y + 36 = 0
Solve the quadratic equations and determine the relation between x and y:
Equation 1: 13x² - 60x + 47 = 0
Equation 2: 17y² - 80y + 63 = 0