More Questions on This Topic :

Question 1. A and B start from the same point and in the same direction at 7 am to walk around a rectangular field 400 m × 300 m. A and B walk at the rate of 3 km/hr and 2.5 km/hr respectively. How many times shall they cross each other if they continue to walk till 12.30 pm ?
  1.    Not even once
  2.    Once
  3.    Twice
  4.    Thrice
Answer: Option B

Question 2. Points 'A' and 'B' are 70 km apart on a highway and two cars start at the same time. If they travel in the same direction, they meet in 7 hours, but if they travel towards each other they meet in one hour. Find the speed of the two cars (in km/hr).
  1.    20, 30
  2.    40, 30
  3.    30, 50
  4.    20, 40
Answer: Option B

Question 3. A car travels at a speed of 60 km/hr and covers a particular distance in one hour. How long will it take for another car to cover the same distance at 40 km/hr ?
  1.    $$\frac{5}{2}$$ hours
  2.    2 hours
  3.    $$\frac{3}{2}$$ hours
  4.    1 hour
Answer: Option C

Question 4. A boy is running at a speed of p kmph to cover a distance of 1 km. But, due to the slippery ground, his speed is reduced by q kmph (p > q). If he takes r hours to cover the distance, then:
  1.    $$\frac{1}{r} = p - q$$
  2.    $$r = p - q$$
  3.    $$\frac{1}{r} = p + q$$
  4.    $$r = p + r$$
Answer: Option A

Question 5. Ashok left from place A for place B at 8 am and Rahul left place B for place A at 10.00 am the distance between place A and B is 637 km. If Ashok and Rahul are travelling at a uniform speed of 39 kmph and 47 kmph respectively, at what time will they meet ?
  1.    5.30 pm
  2.    4.30 pm
  3.    5 pm
  4.    4 pm
Answer: Option B

Question 6. Amit travelled black to home in a car, after visiting his friend in a distant village. When he stated at his friend's house the car had exactly 18 litres of petrol in it. He travelled along at a steady 40 kilometres per hour and managed a 10 kilometres per litre of petrol. As the car was old, the fuel tank lost fuel at the rate of half a litre per hour. Amit was lucky as his car stopped just in front of his home because it had rum out of fuel and he only just made it. How far was it from his friend's home to Amit's home ?
  1.    150 km
  2.    170 km
  3.    180 km
  4.    None of these
Answer: Option D