Average height of 30 boys 160 cm. If 5 more with average 170 cm, new average? MCQ with Answer and Explanation

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Average height of 30 boys 160 cm. If 5 more with average 170 cm, new average?

A. 160

B. 161.43

C. 163

D. 162

Answer: Option B

Solution (By JKSSB Mock Tests)

Total old=4800. New=850. Total 5650 /35≈161.43.

This question belongs to: Maths Average

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Average of 105,140,175 is

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Correct Answer: Option C

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Question #2

If average of 20 numbers is 50 and 25 is added to each, new average is

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