The average salary of 10 employees is Rs 5000. If a new employee joins with salary Rs 7000, what is the new average? MCQ with Answer and Explanation

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The average salary of 10 employees is Rs 5000. If a new employee joins with salary Rs 7000, what is the new average?

A. 5220

B. 5150

C. 5200

D. 5181.82

Answer: Option D

Solution (By JKSSB Mock Tests)

Total =10×5000=50000. New total =57000. New average =57000/11=5181.82.

This question belongs to: Maths Average

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Question #1

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Average of 10 numbers 28. If average of 6 is 25, average of remaining 4?

A. 32.5

B. 35

C. 33

D. 30

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Correct Answer: Option A

Explanation:
Sum10=280. Sum6=150. Remaining=130. Average=32.5.

This question belongs to: Maths Average

Question #2

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Average of 12 numbers 1670. If average of 8 is 1665, average of remaining 4?

A. 1678

B. 1680

C. 1682

D. 1675

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Correct Answer: Option B

Explanation:
Sum12=20040. Sum8=13320. Remaining=6720. Average=1680.

This question belongs to: Maths Average

Question #3

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The average of 180,240,300 is

A. 250

B. 230

C. 235

D. 240

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Correct Answer: Option D

Explanation:
720/3=240.

This question belongs to: Maths Average

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