1-Ram travels 60 km at the speed 30 km/h and next 30 km at 15 km/h and 180 km at the speed of 90 km/h. Find his average speed?
(a) 25kmph
(b) 30kmph
(c) 40kmph
(d) 45kmph
2-A man went from home to office at a speed of 40km/h and came back with speed of 60km/h. Find his average speed during the whole journey ?
(a) 32kmph
(b) 48 kmph
(c) 36kmph
(d) 26kmph
3-A car travels 1/3rd of the distance with a speed of 10 km/h, next 1/3rd of the distance
with a speed of 20 km/h and the last 1/3rd distance speed of 60 km/h. What is the average
(a) 18kmph
(b) 15kmph
(c) 20kmph
(d) 22kmph
4-A man goes to office at a speed of 30km/h and returns at a speed of 40km/h if he takes 35 minutes for the whole journey. Then find the distance between his house and office?
(a) 16km
(b) 15km
(c) 10km
(d) 12km
5-If a man travels at 4/5th of his usual speed then he reaches 15 minutes late. Find his usual time taken to cover the same distance?
(a) 60min
(b) 45min
(c) 50min
(d) 110min
6-A train when moves at an average speed of 40km/h, reaches its destination. When its
average speed becomes 35km/h, then it reaches its destination 15 minute late. Find the
length of journey.
(a) 70km
(b) 65km
(c) 60km
(d) 55km
7-A thief steal a car at 1:30pm and drive at a speed of 60km/h. Police came to know about theft at 2:30pm and start chasing him with the speed of 70km/h. After how much kilometer police will catch the thief?
(a) 400km
(b) 420km
(c) 380km
(d) 360km
8-In a flight of 600km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by200 km/hr and the time of flight increased by 30 minutes. Find the duration of flight.
600 किमी की उड़ान में एक विमान खराब मौसम के कारण धीमा हो गया। यात्रा के लिए इसकी औसत गति 200 किमी/घंटा कम हो गई और उड़ान का समय 30 मिनट बढ़ गया। उड़ान की अवधि ज्ञात कीजिए।
(a) 1hr
(b) 1hr10min
(c) 2hr
(d) 1.30hr
9-The distance between two cities A and B is 330km. A train starts from A at 8am and
travels towards B at 60km/h. Another train starts from B at 9am and travels towards A at 75km/h. At what time do they meet?
(a) 11:00
(b) 10:00
(c) 11:15
(d) 10:30
10-The average speed of a bus excluding the stoppage is 54km/h and the average speed of bus including the stoppage is 45 km/h. Then how many minutes did the bus stop per hours?
(a) 10 min
(b) 6 min
(c) 12 min
(d) 15 min
Answer key:-
1. Sol. (D)
2. Sol. (B)
3. Sol. (A)
4. Sol. (C)
5. Sol. (A)
6. Sol. (A)
7. Sol. (B)
8. Sol. (A)
9. Sol. (A)
10. Sol. (A)
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MAHENDRA GURU