How many minutes is it until 6 o'clock if 50 minutes ago it was 4 times as many minutes past 3 o'clock ?
Answer: B. 26 min
Let the required number of minutes = M Total minutes between 3o'clock and 6o' clock = 180 minutes M + 50 + 4M = 180 5M + 50 = 180 5M = 130 M = 26 minutes.