II. y² – 7y - 60 = 0
352 064dcc36f80ef1e74b4ed459f64dcc36f80ef1e74b4ed459fDirection: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.
I. x² + 13x + 42 = 0
II. y² – 2y - 63 = 0
Length of train A is half as that of train B. Train A and B crosses the platform of length 100 meters in 5 seconds and 6 seconds respectively. If the ratio of speed of train A and B is 2 : 3, Find the length of train B.
665 064dcc1329b618cf631e9de44A vessel contains some mixture of Water and Alcohol in the ratio 2 ∶ 1. 12 liters of mixture is removed and replaced with water and the final ratio becomes 4: 1. What is the amount of Alcohol in the initial Mixture?
697 064dcbef39b618cf631e9d8dcA started the business with the investment of Rs. 36000. B and C joined him with some investments after 3 and 6 months. The profit is divided in the ratio of 2 ∶ 3 ∶ 5 at the end of the year. Find the difference between the investment made by B and C in the business.
649 064dcbfcad4a4292bfff43ebdThe difference between the compound interest (compounded annually) and simple interest on a sum of money deposited for 2 years at 5% per annum is Rs. 15. What is the sum of money deposited?
474 064dcbe5a462ecdc3adb4aa4cP can do a task in 30 days, Q is 50% more efficient than P, R can do the same work in 10 days less than Q if R and Q start task together and after X days they left the task and P completed the remaining task in (X + 8) days. then find the value of X?
611 064dcbde3d02c5c746bf5be90The ratio of present ages of P and Q is 3:4. The ratio of their ages 27 years hence would be 6:7. If P is 9 years younger than Q then, what would be the present age of Q?
418 064dcbd8cd02c5c746bf5be71