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Todays' Thought

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

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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

11.	The average age of a husband & his wife was 26 years at the time of their marriage. After 6 year they have a 2 year old child. What is the average age of the family?

	A. 25 Years	B. 22 Years
	C. 24 Years	D. 28 Years
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : B Solution : Total of the age of husband and wife = 2 × 26 = 52 Total of the age of husband and wife after 6 years + age of the 2 year old child + age of the 2 year old child = 52 + 6 + 6 + 2 = 66 ∴ Average of the family = 66/3 = 22 Years Report error Hide Error Report Box

12.	In the first 12 overs of a cricket match, the run rate was 4. What should be the run in the remaining 38 overs to reach the target of 238 runs?

	A. 5	B. 6
	C. 4.5	D. 5.5
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : A Solution : Runs scored in the first 12 over’s = 12 × 4 = 48 Total runs = 238 Remaining runs to be scored = 238 – 48 = 190 Remaining over’s = 38 ∴ Required run rate = 190/38 = 5 Report error Hide Error Report Box

13.	The average weight of 20 students in a class is 44 kg and that of the remaining 10 student is 38. Find the average weights of all the students the class.

	A. 39 kg	B. 41 kg
	C. 42 kg	D. 43 kg
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : C Solution : Total weight of 20 student = 20 × 44 = 880 Total weight of 10 student = 10 × 38 = 380 Total no of student = (880+380)/30 = 1260/30 = 42 kg Report error Hide Error Report Box

14.	In a library there is an average of 440 visitors on Sunday and 260 visitors on other days. The average number of visitor per day in a month of 30 days beginning with a Sunday is-

	A. 300	B. 310
	C. 290	D. 270
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : C Solution : Since the month begins with a Sunday, so there will be 5 Sunday in the month. Total visitors on Sunday = 440 × 5 = 2200 Total visitors on other days = 260 × 25 = 6500 ∴ Required average = (2200+6500)/30 = 8700/30 = 290 Report error Hide Error Report Box

15.	The average marks of three classes of 30, 35, and 40 students are 65, 70, and 75, respectively. Find the average marks of all the students.

	A. 34.5	B. 35.24
	C. 36	D. 34
	View Answer Solution Report Error
	Answer & Solution Hide Solution Box Answer : B Solution : Required average = (30×65+35 ×70+40 ×75)/(65 +70 75 ) = 7400/210 = 35.24 Report error Hide Error Report Box

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