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ATQ, Total distance to be covered = 40 × (90/60) = 60 km Time taken to cover half the distance at original speed = {(60 ÷ 2) ÷ 40} × 60 = 45 minutes Time remaining = 90 – 45 – 15 = 30 minutes Required speed = 30 ÷ 30 × 60 = 60 km/h
The average age of 26 children and their teacher's age are 22 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
The average of 75 percent of x and 48 percent of y is 90. What will be the average of 125 percent of x and 80 percent of y?
