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- Question
The speed of a boat when travelling downstream is 32 km/h, whereas when travelling upstream it is 28 km/h. What is the speed of the boat in still water?
Options- A. 27 km/h
- B. 29 km/h
- C. 31 km/h
- D. Cannot be determined
- Correct Answer
-
ExplanationAns. Suppose the speed of boat in still water is x km/h and speed of stream is y km/h
Speedof boat in downstream = (x + y) km/h x+ y = 32 ?(i)
Speed of boat in upstream = (x ? y) km/h
x ? y = 28 ?(ii)
Add. Eqs. (i) and (ii), we get 2x = 60
x = 30 km/h
- 1. A shopkeeper mixed two verities of rice at Rs. 40/kg and Rs.60/kg in the ratio 3: 2 and sold the mixture at 10% profit. Find the price per kg at which he sold the mixture?
Options- A. Rs. 56
- B. Rs. 58.8
- C. Rs. 54
- D. Rs. 52.8 Discuss
- 2. Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.
Options- A. To drain water away from the tracks, railroad beds, like road beds, are designed in which there is usually a bed of rock and gravel resulting in fast drainage from the tracks.
- B. Railroad beds, like road beds, are designed in which there is usually a bed of rock and gravel that results in the fast drainage from the tracks.
- C. A bed of rock and gravel, called the railroad bed, is designed similar to a road bed to drain water away from the tracks.
- D. Railroad beds, like road beds, are designed to drain water apart from the tracks, so there is usually a bed of rock and gravel resulting in fast drainage away from the tracks. Discuss
- 3. Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.
Options- A. Many Japanese cities had extensive tram systems until the 1960s, when increased motorization started to make some lines disappear.
- B. Increased motorization started to make some lines disappear after the1960s until when many Japanese cities had extensive tram systems.
- C. When increased motorization started to make lines disappear, many Japanese cities have extensive tram systems until the 1960s.
- D. Until the 1960s, when increased motorization started to make some lines disappear, many Japanese cities had extensive tram systems. Discuss
- 4. Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.
Options- A. Archaeological research in Sarasota documents more than ten thousand years of seasonal occupation by native people.
- B. More than ten thousand years of seasonal occupation by native people have been documented in the archaeological research in Sarasota.
- C. Sarasota?s archaeological research has recorded more than ten thousand years of seasonal occupation by native people.
- D. The seasonality in native people has been documented in Sarasota?s archaeological research. Discuss
- 5. Four statements are given below at A, B, C and D. There may be some errors in the given statement(s). The incorrect statement is your answer.
Options- A. Racing for the bus, her bag flew open and all the documents were lost.
- B. As she raced for the bus, her bag flew open making the documents lost.
- C. Racing for the bus, her bag flung open and all the documents were lost.
- D. The documents were lost, when racing for the bus, her bag flung open. Discuss
- 6. In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. Their luggages which were(A)/kept at the station's(B)/ restroom's lockers, were later retrieved.(C)/No error(D)
Options- A. A
- B. B
- C. C
- D. D Discuss
- 7. In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option. The warning bells __________several times before anyone realized the danger.
Options- A. were ringing
- B. had rung
- C. had rang
- D. would have rung Discuss
- 8. Select the antonym of sacred
Options- A. pious
- B. hallowed
- C. divine
- D. profane Discuss
- 9. In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase. Rub a part of the body to restore warmth or sensation.
Options- A. Fuzz
- B. Chafe
- C. Scum
- D. Oblique Discuss
- 10. Improve the bracketed part of the sentence. Human beings are social animals, (who are living in communities), regulated by social norms and laws.
Options- A. living in communities
- B. living amongst a community
- C. living in midst of communities
- D. no improvement Discuss
English problems
Search Results
Correct Answer: Rs. 52.8
Explanation:
Ans. CP of mixture = {(40*3+60*2)/2+3} = 48 SP of the mixture = 1.1 48 =52.8
Correct Answer: Railroad beds, like road beds, are designed to drain water apart from the tracks, so there is usually a bed of rock and gravel resulting in fast drainage away from the tracks.
Explanation:
?apart? is incorrect after ?to drain water?
Correct Answer: When increased motorization started to make lines disappear, many Japanese cities have extensive tram systems until the 1960s.
Explanation:
?has? is incorrectly used since the sentence is in past tense. Moreover, the subject is cities, which is plural.
Correct Answer: The seasonality in native people has been documented in Sarasota?s archaeological research.
Explanation:
?Documentation of the seasonality in native people? doesn?t make sense.
Correct Answer:
Explanation:
Options A, C and E in the absence of a proper subject add the ?bag? automatically to the verb ?racing for the bus?. So, it does not make any sense as it would mean that the bag is racing for the bus. Option B is incorrect because of the fragment ?making the documents lose?. Option D doesn't convey the proper meaning.
Correct Answer: A
Correct Answer: had rung
Correct Answer: profane
Correct Answer: Chafe
Correct Answer: living in communities
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