Average - Data Intensity 2 | Multiple Questions and Answers

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Average - Data Intensity 2 Multiple Questions and Answers.

6.	The average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?

	A.	Rs. 25
	B.	Rs. 18
	C.	Rs. 15
	D.	Rs. 22

7.	The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?

	A.	180
	B.	170
	C.	190
	D.	175

8.	Find the average of the series : 312, 162, 132, 142 and 122?

	A.	194
	B.	174
	C.	162
	D.	186

9.	The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. Find the age of the new person?

	A.	22
	B.	24
	C.	12
	D.	8

10.	The average of the marks of 12 students in a class is 36. If the marks of each student are doubled, find the new average?

	A.	72
	B.	45
	C.	37
	D.	79

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