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Start learning 50% faster. Sign in nowI. 20x² - 93x + 108 = 0 20x² - 48x - 45x + 108 = 0 4x (5x – 12) – 9(5x – 12) = 0 (4x – 9) (5x – 12) = 0 x = 9/4 , 12/5 II. 72y² - 47y - 144 = 0 72y² + 81y - 128y - 144= 0 9y(8y + 9) – 16(8y + 9) (9y – 16) (8y + 9) = 0 y = 16/9 , -9/8 Hence x > 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...
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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...
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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 ...
