Question
Akshay invested Rs. 960 in two schemes P and Q in the
respective ratio of 5:3. Scheme P and Q are offering simple interest at the rate of 7% per annum and 10% per annum, respectively. Find the interest obtained after 2 years from scheme P.Solution
Amount invested in scheme P = (5/8) × 960 = Rs. 600 Interest earned from scheme P = 600 × 7% × 2 = Rs. 84
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
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