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Todays' Thought

All achievements, all earned riches, have their beginning in an idea.

- Napoleon Hill

हर एक कामयाबी और दौलत की शुरआत एक विचार से होती है |

- नेपोलियन हिल

Quantitative Aptitude : Average Question & Answer in English (Level-1)

Level-1 Ques. in

Hindi

English

16.	The average age of husband, wife and their child 5 years ago was 25 year and the average age of wife and the child 4 years ago was 18 years. The present age of husband is-

	A. 45 years	B. 46 years
	C. 50 years	D. 52 years
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : B Solution : Total present age of husband, wife and child = 25 × 3 + 5 × 3 = 90 Total present go of wife & child = (18 × 2 + 4 × 2) = 44 ∴ present ago of husband = 90 – 44 = 46 years Report error Hide Error Report Box

17.	Shyam obtained 60, 65, 70, 72, and 78 marks in English, Hindi, Chemistry, History and Mathematics respectively. What are the average marks in all subjects?

	A. 69	B. 65
	C. 68	D. 70
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : A Solution : The average marks are = (60+65+70+72+78 )/5 = 345/(5 ) 69 Report error Hide Error Report Box

18.	The average weight of a class of 20 students is 40 kg. if the weight of the teacher be included, the average rises by 2 kg. The weight of the teacher is.

	A. 80	B. 85
	C. 82	D. 75
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : C Solution : Weight of teacher = 42 × 21 – 40 × 20 kg = 882 – 880 = 82 kg Report error Hide Error Report Box

19.	The average weight of 6 person’s increases by 2 kg when a new person came in place of one of them weighing 55 kg. What is the weight of the person?

	A. 67 kg	B. 65 kg
	C. 60 kg	D. 62 kg
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : A Solution : Total weight increased = 6 × 2 = 12 kg Weight of new person = 55 + 12 = 67 kg Report error Hide Error Report Box

20.	5 year ago, the average age of A and B was 25 years. If C joined them, the average age becomes 28 years. How old is C Now?

	A. 20 Years	B. 25 Years
	C. 24 Years	D. 30 Years
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : C Solution : Present age of A & B = 25 × 2 + 5 × 2 = 60 Present age of A, B & C = 28 × 3 = 84 ∴ Ago of C = 84 – 60 year = 24 year Report error Hide Error Report Box

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