Quantitative Aptitude: Time and Distance Set 1

  1. Vimal completes the first part of his journey at 30kmph and the next at 60kmph, covering the entire journey at an average speed of 40 kmph. What is the ratio of the distance that he covered at 30kmph to that he covered at 60kmph?
    A) 2 : 1
    B) 1 : 5
    C) 3 : 1
    D) 3 : 5
    E) None of these
    View Answer
    Option C

    Distance of first part of his journey = x
    Distance of first part of his journey = y
    x/30 + y/60 = (x + y)/40
    6x + 2y = 3x + 3y
    x/y = 3:1
  2. Suresh takes 7 hours 40 minutes in walking to a certain place and riding back. If he walks on both ways he will lose one hour. The time he would take to ride both ways is?
    A) 5 hours 20 minutes
    B) 7 hours 40 minutes
    C) 6 hours 20 minutes
    D) 6 hours 40 minutes
    E) None of these
    View Answer
    Option D

    Walking + Riding = 7 hours 40 minutes
    Walking + Walking = 8 hours 40 minutes
    So Walking = 4 hours 20 minutes
    Riding + Riding = 6 hours 40 minutes
  3. Anil completed his journey in 10 hours. He travels first half of the journey at the rate of 22 kmph and second half at the rate of 18 kmph. Find the total journey in km.
    A) 145 km
    B) 198 km
    C) 220 km
    D) 180 km
    E) None of these
    View Answer
    Option B

    Total hours = 10 hours
    Average Speed = 2xy/(x+y) = 2*22*18/(40) = 19.8 kmph
    Total Journey in Km = 19.8 * 10 = 198 km
  4. Two cars start from a place with a speed of 40 kmph at an interval of 10 minutes. What is the speed of a man coming from the opposite direction towards the place if he meets the cars at an interval of 8 minutes?
    A) 10 kmph
    B) 13 kmph
    C) 14 kmph
    D) 16 kmph
    E) None of these
    View Answer
    Option A

    Distance covered in 10 minutes at 60 kmph = distance covered in 8 minutes at (60+x) kmph.
    40*10/60 = 8/60 * (40+x)
    20 * 5 = 80 + 2x
    x = 10 kmph
  5. Waking 3/4 of his normal speed, Ravi was 18 minutes late in reaching his office. The usual time took to cover the distance between his home and office was:
    A) 36 minutes
    B) 24 minutes
    C) 42 minutes
    D) 54 minutes
    E) None of these
    View Answer
    Option D

    3/4 of speed = 4/3 of original time
    4/3 of original time = original time + 18 minutes;
    1/3rd of original time = 18 minutes;
    Thus, original time = 18*3 = 54 minutes.
  6. Mr. Ravi completes a certain journey by a car. If he covered 40% of the distance at the speed of 20kmph, 50% of the distance at 25 kmph and the remaining of the distance at 10 kmph, then what will be the speed?
    A) 15 kmph
    B) 20 kmph
    C) 18 kmph
    D) 14 kmph
    E) None of these
    View Answer
    Option B

    Assume Total distance = 100 km.
    So speed = 100/[(40/20)+(50/25)+(10/10];
    speed = 100/[(2)+(2)+(1)];
    = 100/[5]
    = 20 kmph.
  7. Ajay walked at 10 kmph for certain part of the journey and then he took an auto for the remaining part of the journey travelling at 30 kmph. If he took 10 hours for the entire journey, what part of journey did he traveled by auto if the average speed of the entire journey be 18 kmph?
    A) 132 km
    B) 145 km
    C) 128 km
    D) 120 km
    E) None of these
    View Answer
    Option D

    Total distance = 18*10 = 180
    Journey traveled by auto = x hours
    30 * x + (10-x )10 = 180
    30x + 100 – 10x = 180
    20x = 80
    x = 4 hours
    Distance traveled by auto = 4 * 30 = 120 km
  8. Rani started walking to the station half a km from her home at 1 kmph to catch the train in time. After 6 minutes she realized that she had forgotten her purse at home and returned with increased, but constant speed to get it succeeded in catching the train. Find her latter speed in kmph.
    A) 1.5 kmph
    B) 1.2 kmph
    C) 2.2 kmph
    D) 3.5 kmph
    E) None of these
    View Answer
    Option A

    Distance covered in 6 minute = 6*(1000/60) = 100
    She has to cover (500+100) meters in 24 minutes
    Required speed = (600/1000)/(24/60) = 1.5kmph
  9. Two Rabbits started running towards each other, one from A to B and another from B to A. They cross each other after 1.2 hours and the first Rabbit reaches B, 1 hour before the second rabbit reaches A. If the distance between A and B is 60 km, what is the speed of the slower rabbit?
    A) 10 kmph
    B) 15 kmph
    C) 25 kmph
    D) 18 kmph
    E) 20 kmph
    View Answer
    Option E

    Let speed of faster rabbit = x
    & speed of slower rabbit = y
    x + y = 60/1.2
    x + y = 50 —- (A)
    60/y – 60/x = 1 —- (B)
    Solve equations, we get y = 150 and 20 bt y cannot be 120 as x+y = 50. So y = 20 kmph and x = 30 kmph
  10. Walking at 3/2 of his normal speed Sehwag takes 40 minutes less than the usual time. What is the new time taken by Sehwag?
    A) 6 hours
    B) 5 hours
    C) 4 hours
    D) 8 hours
    E) 2 hours
    View Answer
    Option E

    3/2 of speed = 2/3 of original time
    2/3 of original time = original time – 40 minutes;
    1/3rd of original time = 40 minutes;
    Thus, original time = 40*3 = 120 minutes = 2 hours

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35 Thoughts to “Quantitative Aptitude: Time and Distance Set 1”

  1. ^^^^^^^^^^

    Q1?????????????/ nhi smajh a rha kaise 3/1 aaya mera to kuch aur aa rha hai ….. please clear kre doubt………….

    1. vijeta mona

      mera bhi 1:1 aa raha hai

  2. Ayushi Srivastava

    1st m x or y ki ratio h 1;1

  3. Ayushi Srivastava

    plz tell me how to solve que no. 4

  4. the walking dead


  5. vijeta mona

    please explain me question no 8

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