Question
A's age is 75% greater than B's
age. The age difference between C and D is 24 years. The average age of A, B, C, and D is 60.75 years. The ratio of A's age to C's age is 3:4. If C is older than D, determine the age of A.Solution
ATQ, Let the age of A = 21a B’s present age = 12a C’s present age = 28a D's present age = 28a-24 Total age of A, B, C and D = 60.75×4 = 243years 21a+12a+28a+28a-24 = 243 89a = 267 a = 3 The age of 'A' = 21×3 = 63 years
Which of the following Indian railways zones has launched India's longest electrified railway tunnel?
Which of the following is an example of public goods?
The government has approved laying a new broad-gauge railway line connecting Rameshwaram with _______________________
In which of the following institutes of Indian Railways are traffic officers trained?
Railway construction in India began in:
Who built India's first railway line?
Which of the following is India’s first green railway corridor?
The Length of Darjeeling Himalayan Railway is ___________________
Palace on Wheels is run by which state rail tourism?
Presentation of the first ever railway budget in India held in: