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ATQ, Speed of Vehicle 'X' = 72 × (5/18) = 20 m/s Let the length of Vehicle 'X' be '8a' metres. So, the length of Vehcile 'Y' = 1.125 × 8a = '9a' metres [(8a+9a)/(20+14)] = 50 ATQ, Or, (17a/34) = 50 Or, a = 50 × 2 = 100 So, the length of Vehicle 'Y' = 9a = 9 × 100 = 900 metres
The salaries of A and B are in the ratio 3:5. If the salary of A increases by 20% and the salary of B increases by 10%, the new sum of their salaries be...
If sec x - tan x = 1/3, find sec x + tan x:
What is the least number of square tiles required to pave the floor of a room 11 m 47 cm long and 6 m 82 cm broad?
A solid is made by attaching a hemisphere to the top of a cylinder. The height of the cylindrical part is 14 cm, and the radius is 7 cm. Find the total ...
A and B started a business with investments of Rs. _____ and Rs. 5000, respectively. Six months later, C joined with an investment of Rs. _____. After o...
A spherical metallic shell with 6 cm external radius weighs 6688 g. What is the thickness of the shell if the density of metal is 10.5 g per cm3
A man drives at a steady speed of 75 km/h for 4 hours, followed by another stretch of 3 hours at a consistent speed of 40 km/h. What is his average spee...
A mixture contains milk and water in the ratio 7:5. If 6 liters of water is added to the mixture, the ratio of milk to water becomes 7:6. Find the origi...
A person lends Rs. 18,000 to a friend at a simple interest rate of 10% per annum. After 2 years and 6 months, the friend returns Rs. 12,000 and asks for...
