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By Mathematics Mcqs 26 Comments

Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?

A. 2.5
B. 2.0
C. 1.75
D. 1.5
E. 1.25

Submitted by: Mansoor Ul Haque

One moves at 60km/h, so in an hour, he’ll travel 60km
The other moves at 40km/h, so in an hour, he’ll travel 40km
This is towards each other, so, in an hour, we can say that they’ll get 60+40=100km closer.

This means that they get closer at 100km/h

Given that we have the distance of 150km, and the speed of closure at 100kmh, we can now use the equation

S=D/T

Rearrange to find T (times both sides by T)

S x T = D (now divide both sides by S)

T=D/S

Time = 150km divided by 100km/h

Time = 1.5 hours

Or one hour and 30 minutes

Related Mcqs:

  1. Two trains 120 miles apart travel towards each other. The 1st train travels at 70 mph while the 2nd at 50 mph. A bird starts flying from the location of the faster train towards the other train at 85 mph and when it reaches the slower train it turns back and flies in the other direction at the same speed. When it reaches the faster train it again turns around and repeats the same procedure again and again. When the train collide, how far will the bird have flown?

    A. 85 miles
    B. 70 miles
    C. 50 miles
    D. 120 miles

  2. In a journey of 24 miles, two thirds of the distance was travelled with a speed of 40 mph and the remaining with 60 mph. How much time did the journey take?

    A. 14.4 minutes
    B. 20 minutes
    C. 28.8 minutes
    D. 32 minutes

  3. At 10 a.m. two trains started traveling toward each other from stations 287 miles apart. They passed each other at 1:30 p.m. the same day. If the average speed of the faster train exceeded the average speed of the slower train by 6 miles per hour, which of the following represents the speed of the faster train, in miles per hour?

    A. 38
    B. 40
    C. 44
    D. 48

  4. Three men start together to travel the same way around a circular track of 11 kilometers in circumference. Their speeds are 4, 5 and 8 kilometers per hour respectively. When will they meet at a starting point?

    A. 11 hours
    B. 12 hours
    C. 220 hours
    D. 22 hours

  5. Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled?

    A. 2
    B. 2.5
    C. 3
    D. 3.5

  6. Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours. C is closed A and B can fill the remaining par in 7 hours. The number of hours taken by C alone to fill the tank is?

    A. 10
    B. 12
    C. 14
    D. 16

  7. A person travels from x to y at a speed of 40Km/h and returns by increasing his speed 50%. What is his average speed for both the trips?

    A. 36km/h
    B. 45km/h
    C. 48km/h
    D. 50km/h

  8. Two pipes function simultaneously the reservoir will be filled in 12 hours. One pipe fills reservoir 10 hours faster than the other. How many hours does the faster pipe take to fill the reservoir?

    A. 25 hrs
    B. 28 hrs
    C. 20 hrs
    D. 35 hrs

  9. In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for______?

    A. 160
    B. 175
    C. 180
    D. 195

  10. Machine P can print one lakh books in 8 hours. Machine Q can print the same number of books in 10 hours while machine R can print the same in 12 hours. All the machines started printing at 9 A.M. Machine P is stopped at 11 A.M. and the remaining two machines complete work. Approximately at what time will the printing of one lakh books be completed?

    A. 3 pm
    B. 2 pm
    C. 1:00 pm
    D. 11 am

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26 Comments

  2. Sonia shahid on

    Assalam-o-Alaikum. I had apply for the post of Bureau of Statistics BPS-17. MCQS or any Special tips that might be help full for my test that’s is going to held on 6th January.

    Reply
  5. noor nabi on

    simple hai agar dono k km dekhe jay to 1 hour me dono 100 km cover kr rahe hain matlb remainig 50 km bach gay to agar 1 hour me 100 km agar kr rhe hain to to 50 km half an hour me honge means total hours 1.5 lage

    Reply
  6. Rab Nawaz on

    Bro ye maths hai to yahan pe answers k sath solutiom b hona chahye jese smjh aa sake prove zaruri hai to lehaaza solution b diya hai data k sath. thanks

    Reply
  10. Zulqarnain saahi on

    Suppose time = x hours
    Both cars will have same time, but different distances depending upon speed.
    So,

    (60km/h).x + (40km/h).x = 150
    (100 km/hour ).x =150
    X= 1.5

    Reply
  12. Alam Zeb on

    Simple is one is moving with 60km/hr means
    150/60 = 2.5 hr
    150/40 = 3.75 the difference between both is 3.75-2.5 = 1.25

    Reply
  13. Ahmed Ali Khuwaj on

    Speed = Distance/time
    t=d/s
    T1=150/60 =2.5
    T2=150/40= 3.75
    Meeting time=T2-T1
    =3.75-2.5
    =1.25
    Answer =1.25

    Reply
  14. Engr Asim on

    As they are moving towards each other so their relative velocity will b added
    60+40=100km/h
    Time= distance/speed = 150/100 = 1.5 sec

    Reply
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