Question
I. 2x2 - 9 x + 9 = 0Β II.
2y2 - 7 y + 3 = 0Solution
I. 2x2 - 9 x + 9 = 0 2x2 - 3x - 6x + 9 = 0 x (2 x β 3) β 3(2 x β 3) = 0 (x β 3) (2x β 3) = 0 x = 3, 3/2 II. 2y2 - 7 y + 3 = 0 2y2 - y-6y + 3 = 0 y (2y β 1) β 3 (2y β 1) = 0 y = 3, 1/2 Hence, Quantity I β₯ Quantity II
In a coaching institute, there are 80 mathematics teachers, 60 English teachers, 100 physics teachers, and 40 chemistry teachers. The ratio of male to f...
- The mean proportional of 8 and 50 is _____.
The ages of A, B and C are in the ratio of 5:4:8 respectively. If the sum of their ages is 51 years, then find the age of B.
Marks scored by A and B in a test are in the ratio 12:7 respectively. If B had scored 6 more marks, then marks scored by A would be 20% more than that o...
Rs 2279 was divided among Anil, Bhanu and Charan in the ratio of 16:9:18 respectively. Find the amount received by Anil and Bhanu together.
The ratio of A's age to B's age is 1:4, and the ratio of B's age to C's age is 4:5. D is 20 years older than B. Additionally, the ratio of C's age to D'...
The ages of A, B and C are in the ratio of 5:3:7 respectively. If the sum of their ages is 60 years, then find the age of B.
A total of 504 sweets were distributed among 'P', 'Q', and 'R' in the ratio of 8:7:6, respectively. Additionally, 36 cream rolls ...
If the third proportion of 45 and 60 is β0.5kβ, then find the value of (k β 20) : (k + 40).
What number has to be added to each term of 5:6 to make the ratio 7:8?