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Start learning 50% faster. Sign in nowI. 4x² - 21 x + 20 = 0 4x² - 16 x - 5 x + 20 = 0 4 x(x – 4) – 5(x – 4) =0 (4 x – 5) (x – 4) =0 ∴ x = 4, 5/4 II. 8y² - 22 y + 15 = 0 8y² - 12 y - 10 y + 15 = 0 4 y( 2 y – 3) – 5( 2 y – 3) =0 (4 y – 5) (2 y – 3) = 0 ∴ y = 5/4, 3/2 Hence, relationship cannot be established between x and y
The numbers ‘A’, ‘B’ and ‘C’ are in the ratio 2:3:5. If the difference between the largest number ‘C’ and the smallest number ‘A’ is...
The ratio of the two numbers is 3:7. 120% of the first number is equal to the 60% of the second number. Find the sum of both the numbers.
The ratio of speeds of A and B is 3:4 and A takes 15 minutes more than B to reach the destination, how many hours will Be to reach the same place?
The monthly incomes of Vishal and Rahul are in the ratio 7:6. Their combined monthly income is Rs. 6500. Rahul's monthly savings are Rs. 1200, and Visha...
Two years ago the ratio of annual salary of three friends P, Q and R is 4 : 3 : 5. Every year since then the salary of P, Q and R increases by 10%, 12% ...
Three Partners Chandra, Shekhar and Azad invested in the ratio of 3/2, 2/3, 4/3 in a business. After 3 months Chandra decreased his capital by 50%. If t...
What must be added to each term of the ratio 3:7 so that it may equal to 4:5?
The ratio of P :Q is 3 : 5 and that of Q : R is 4 : 7. If P equals 2400, then what is the value of R?
A total amount of Rs. 1220 is to be divided between two friends, Ram and Ranjan, in the ratio (7/9):(11/12). What is the difference between the amounts ...
