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I. 2x² - 9x + 10 = 0 2x² - 5x - 4 x + 10 = 0 x (2 x – 5) – 2(2 x – 5) = 0 (x – 2) (2 x – 5) = 0 x = 2, 5/2 II. 3y² + 11y + 6 = 0 3y² + 2y + 9 y + 6 = 0 y (3 y + 2) + 3(3 y + 2) = 0 y = -3, -2/3 Hence, x>y
Sum of the present ages of A, B, C and D is 65 years. After 3 years ratio of their ages is 4:3:2:2. What is C’s present age?
Eight years ago, the ratio of Raman's age to Chaman's age was 4:5. Twelve years from now, this ratio will change to 13:15. Calculate the current average...
P says to Q “I am four times as old as you were when I was as old as you are”. The difference between their ages is 15 years. Find the sum o...
Present average age of 4 friends: ‘A’, ‘B’, ‘C’ and ‘D’ is 33 years. If their ages are in the arithmetic progression in the same order a...
The ratio of the present ages of P and Q is 8:7 respectively. If the age of P 10 years hence from now will be 100% more than the age of Q 4 years ago fr...
The ratio of A and B present age is 5:3. The product of their ages is 1500. What will be the ratio of their ages after 2 years?
At present, Naveen is six years younger than Mohit. Mohit’s age fifteen years hence will be equal to thrice that of Naveen three years ago. What w...
Present average age of 4 friends: ‘A’, ‘B’, ‘C’ and ‘D’ is 30 years. If their ages are in the arithmetic progression in the same order a...
Currently, the average age of individuals 'A' and 'B' is 17 years, with 'A' being 2 years older than 'B'. The age of 'C' is 50% greater than that of 'A'...
