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Maths

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50. A man travelled a total distance of 1800 km by plane, train and bus.  He travelled one –third of the whole trip by plane and the distance travelled by train is three-fifth of the distance travelled by bus. Find the distance travelled by bus

. एक व्यक्ति ने विमान, ट्रेन और बस द्वारा कुल 1800 किमी की यात्रा की। उन्होंने पूरी यात्रा का एक...

48. Amit walks at a uniform speed of 4 km/hr and 4 hr after his start, Brijesh cycles after him at the uniform rate of 20 km/hr. How far from the starting point will Brijesh catch Amit?

अमित अपनी शुरुआत के बाद 4 किमी / घंटा और 4 घंटे की एक समान गति से चलता है, बृजेश...

47. When a person reduces his speed from 42 km/hr to 36 km/hr he takes 20 min more then his usual time taken. Find the usual time taken by him?

जब कोई व्यक्ति अपनी गति को 42 किमी / घंटा से घटाकर 36 किमी / घंटा करता है तो वह...

43. A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 72 minutes, will be covered by A in:

A, B से दुगनी तेजी से दौड़ता है,  B, C. से तीन गुना तेज दौड़ता है। C द्वारा 72 मिनट...

40. Car P starts from town X toward town y. Car Q stars from Y towards X. Both the cars start simultaneously and travel their meet after journeys at uniform speeds. XY = 200 km. Both cars meet after 2 hours. If P and Q had travelled in the same direction both the cars would have met in 4 hours. Find the speed of  P. 

कार P, शहर X से शहर y की ओर शुरू होती है। कार Q, Y की ओर से X की...

46. Busses start from a bus terminal with a speed of 20 km/hr at intervals of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at intervals of 8 minutes?

बसें बस टर्मिनल से 10 मिनट के अंतराल पर 20 किमी / घंटा की गति से शुरू होती हैं। 8...

45. How long will three persons starting at the same point and travelling at 4 km/hr, 6 km/hr and 8 km/hr around a circular track 2 km long take to meet at the starting point? 

तीन व्यक्ति 4 किमी / घंटा, 6 किमी / घंटा और 8 किमी / घंटा की दूरी पर एक गोल...

44. On a circular track, time taken by A and B to meet when travelling in the opposite directions is 1/4 of time taken when they travel in the same direction. Find the ratio of their speeds? 

एक वृत्त ट्रैक पर, A और B द्वारा मिलने का समय विपरीत दिशाओं में यात्रा करते समय लिया गया समय...

42. Ravi starts by car from Mumbai to Goa. After sometime he realise that he will cover only 75% of the distance in the scheduled time or takes 3 hour more therefore he doubles his speed immediately and thus manages to reach Goa exactly on time. Find the time after which Ravi changed his speed? 

रवि मुंबई से गोवा के लिए कार द्वारा यात्रा शुरू करता है। कुछ समय बाद उसे एहसास हुआ कि वह...

41. The distance between two points P and Q is 115 km. Two persons start at the same time but one travelling from P towards Q and the other travelling from Q towards P. If their respective speeds are 40 kmph and 52 kmph, where do they meet each other?

दो बिंदुओं P और Q के बीच की दूरी 115 किमी है। दो व्यक्ति एक ही समय में यात्रा शुरू...

39. A person went from P to Q, at an average speed of a km/hr, from Q to R at an average speed of b km/hr, and from R to S at an average speed of the c km/hr. If PQ = QR = RS, then the average speed of the person for traveling from P to S was

(a) (a + b + c)/ 3 (b) 3abc/(ab + bc + ca) (c) 3abc/(a + b + c) (d)...

39. Ashok covered a distance of 225 km as follows. He covered the first 15 km at 45 km/hr, the next 120 km at 60 km/hr and the remaining journey at 90 km/hr. Find his average speed for the journey of 225 km

  अशोक ने निम्नानुसार 225 किमी की दूरी तय की। उन्होंने पहले 15 किमी को 45 किमी / घंटा, अगले...

38. A boy walking at a speed of 10 km/h reaches his school 12 min late. Next time at a speed of 15 km/h reaches his school 7 min late. Find the distance of his school from his house?

10 किमी / घंटा की गति से चलने वाला एक लड़का अपने स्कूल में 12 मिनट देरी से पहुंचता है।...

37. Walking at 7/8th  of his usual speed, a man reached his destination 16 minutes later than the time he usually takes to reach his destination. Find the usual time taken by him  to reach his destination.

अपनी सामान्य गति के 7/8 वें स्थान पर चलते हुए, एक व्यक्ति अपनी मंजिल तक पहुँचने के लिए आमतौर पर...

36. A man takes 5 hours 45 min in walking to a certain place and riding back. He would have gained 2 hours by riding both ways. The time he would take both walking:

एक आदमी को एक निश्चित स्थान पर चलने और वापस सवारी करने में 5 घंटे 45 मिनट लगते हैं। उसने...

34. Two trains start from P and Q respectively and travel towards each other at a speed of 50 km/hr and 40 km/hr respectively. By the time they meet, the first train has traveled 100km more then the second. The distance between P and Q is:

दो ट्रेनें क्रमशः P और Q से शुरू होती हैं और क्रमशः 50 किमी / घंटा और 40 किमी /...

33. Two cars P and Q start at the same time from A and B which are 120 km apart. If the two cars travel in opposite directions, they meet after one hour and if they travel in same direction (from A towards B), then P meets Q after 6 hours. What is the speed of car P?

दो कारें P और Q एक ही समय में A और B से शुरू होती हैं जो 120 किमी  की...

29. With a uniform speed a car covers the distance  in 8 hours. Had the speed been increased by 4 km/hr, the same distance could have been covered in hours. What is the distance covered?

एक समान गति के साथ एक कार 8 घंटे में दूरी को कवर करती है। अगर स्पीड 4 किमी /...

32. A thief is noticed by a policeman from a distance of 200m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km, and 11 km per hour respectively. What is the distance between them after 6 minutes?

एक चोर को 200 मीटर की दूरी से एक पुलिसकर्मी दिखाई देता है। चोर भागने लगता है और पुलिस वाला...

30. In a flight of 600 km, an aircraft was slowed down due to bad weather. Its average speed for the trip was reduced by 200 km/hr and the time of flight increased by 30 minutes. The durations of the flight is:

600 किमी की उड़ान में, एक विमान खराब मौसम के कारण धीमा हो गया था। यात्रा के लिए इसकी औसत...

31. It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the cars is:

एक 600 किमी की यात्रा में आठ घंटे लगते हैं, अगर 120 किमी ट्रेन और बाकी कार से होता है।...

28. In covering a certain distance, the speed of A and B are in the ratio of 3:4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination.

एक निश्चित दूरी को कवर करने में, A और B की गति 3: 4 के अनुपात में है। A को...

27. In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay’s speed is:

30 किमी की दूरी तय करने में, अभय समीर से 2 घंटे अधिक लेता है। अगर अभय ने अपनी गति...

26. A man covered a certain distance at some speed. Had he moved 3 Kmph faster, he would have taken 40 minutes less. If he had moved 2 Kmph, slower, he would have taken 40 minutes more. The distance (in km) is:

एक आदमी ने कुछ दूरी एक निश्चित चाल पर तय की। अगर वह 3 किलोमीटर प्रति घंटे की रफ्तार से...

25. A train when moves at an average speed of 40 Kmph, reaches its destination on time. When its average speed becomes 35 Kmph, then it reaches its destination 15 minutes late. Find the length of journey.

एक ट्रेन जब 40 किमी प्रति घंटे की औसत गति से चलती है, तो समय पर अपने गंतव्य तक पहुंचती...

23. A car traveling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec. find the actual speed of the car

ਇਕ ਕਾਰ ਆਪਣੀ ਅਸਲ ਗਤੀ ਦਾ 5/7ਨਾਲ ਚਲਦੀ ਹੈ ਤੇ ਉਸ ਨੂੰ 42 ਕਿਲੋ ਮੀ. ਦੀ ਦੂਰੀ ਤੈਹਿ ਕਰਨ ਵਿਚ...

22. A man travels 600 km by train at 80 km/hr, 800 km by ship at 40 km/hr, 500 km by aeroplane at 400 km/hr and 100 km by a car at 50 km/hr. what is the average speed for the entire distance?

एक आदमी ट्रेन से 600 किमी, 80 किमी / घंटा से समुंद्री जहाज से 800 किमी, 40 किमी / घंटा...

21. A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. his average speed for the entire trip is approximately

. एक लड़का अपनी साइकिल को 12 किमी / घंटा की औसत गति से 10 किमी की सवारी करता है...

20. A boy goes his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. if he takes 5 hours in going and coming the distance between his house and school is:

एक लड़का अपने घर से 3 किमी / घंटा की गति से अपने स्कूल जाता है और 2 किमी /...

19. A car driver travels from the plains to the hill station, which are 200 km apart at an average speed of 40 km/hr. in the return trip, he covers the same distance at an average speed of 20 km/hr. the average speed of the car over the entire distance of 400 km is.

एक कार चालक मैदानी इलाकों से हिल स्टेशन तक जाता है, जिसकी 200 किमी की दूरी के लिए औसत गति...

16. A person has to cover a distance of 6 km, in 45 minutes. If he covers one-half of the distance in one -thirds of the total time: to cover the remaining distance in the remaining time, his speed (in km/hr) must be

एक व्यक्ति को 6 किमी की दूरी 45 मिनट में तय करनी होती है। यदि वह कुल समय के एक-तिहाई...

19. A car driver travels from the plains to the hill station, which are 200 km apart at an average speed of 40 km/hr. in the return trip, he covers the same distance at an average speed of 20 km/hr. the average speed of the car over the entire distance of 400 km is.

एक कार चालक मैदानी इलाकों से हिल स्टेशन तक जाता है, जिसकी 200 किमी की दूरी के लिए औसत गति...

18.   A person travels equal distances with speeds at 3 km/hr, 4 km/hr and 5 km/hr and takes a total time of 47 minutes. The total distance (in km) is

एक व्यक्ति 3 किमी / घंटा, 4 किमी / घंटा और 5 किमी / घंटा की गति के साथ समान...

17. A boy can complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr.  Find total distance journey in km.

10 घंटे में एक लड़का यात्रा पूरी कर सकता है। वह यात्रा का पहला आधा भाग 21 किमी / घंटा...

15. An aeroplane covers a certain distance at a speed of 240 Kmph is 5 hours. To cover the same distance in  hours, it must travel at a speed of:

ਇਕ ਹਵਾਈ ਜਹਾਜ਼ ਇਕ ਨਿਸਚਿਤ ਦੂਰੀ 240 ਕਿਲੋ ਮੀ. ਪ੍ਰਤੀ ਘੰਟੇ ਦੀ ਰਫਤਾਰ ਨਾਲ 5 ਘੰਟਿਆਂ ਵਿਚ ਪੂਰਾ ਕਰਦਾ ਹੈ।...

13. The speed of a car increases by 2 kms after every one hour. If the distance traveled in the first one-hour was 35 kms. What was the total distance traveled in 12 hours?

हर एक घंटे के बाद कार की गति 2 किलोमीटर बढ़ जाती है। यदि पहले एक घंटे में यात्रा की...

14. A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 km/hr. the time taken by it to cover the same distance will be:

  एक ट्रेन 12 मिनट में 10 किमी की दूरी तय करती है। यदि इसकी गति 5 किमी / घंटा...

12. A motor car starts with the speed of 70 km/hr with its speed increasing every two hours by 10 Kmph, in how many hours will it cover 345 kms?

एक मोटर कार 70 किमी / घंटा की गति से शुरू होती है जिसकी गति हर दो घंटे में 10...

11. An express train traveled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km. how long did it take to reach its destination 600 km from the starting point?

एक एक्सप्रेस ट्रेन ने प्रत्येक 75 किमी के बाद 3 मिनट के लिए रुककर, 100 किमी / घंटा की औसत...

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