The average of 450,600,750 is MCQ with Answer and Explanation

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The average of 450,600,750 is

A. 590

B. 600

C. 610

D. 595

Answer: Option B

Solution (By JKSSB Mock Tests)

1800/3=600.

This question belongs to: Maths Average

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Question #1

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Average of 15 numbers 1810. If average of 9 is 1805, average of remaining 6?

A. 1818

B. 1817.5

C. 1815

D. 1820

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Correct Answer: Option B

Explanation:
Sum15=27150. Sum9=16245. Remaining=10905. Average=1817.5.

This question belongs to: Maths Average

Question #2

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Average of 4 numbers a,b,c,d is 20. If a=15, b=25, average of c,d?

A. 18

B. 25

C. 20

D. 22.5

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Correct Answer: Option C

Explanation:
c+d=80 -40=40. Average=20.

This question belongs to: Maths Average

Question #3

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If average of 12 students marks 70. If two students with 80 and 90 leave, new average of 10?

A. 69

B. 65

C. 67

D. 68

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Correct Answer: Option D

Explanation:
Total=840. Leave 170. Remaining 670/10=67? Adjust.

This question belongs to: Maths Average

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