find the average of all even no's up to 100 or average of first 50 even no's.

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Question

find the average of all even no's up to 100 or average of first 50 even no's.

Options:

A . 42

B . 44

C . 47

D . 51

Answer: Option D
Explanation :

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Question 1. the average of 8 no's is 20. the average of first two no's is 15.5 and that of next three no's is 64/3.if the 6th no b....no. by 4 and 7 respectively, then find eight no.

Question 2. the average of 8 no's is 20. the average of first two no's is 15.5 and that of next three no's is 64/3.if the 6th no b....no. by 4 and 7 respectively, then find eight no.

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Question 4. the average height of 74 students in a class is 168 cm out of which 42 students had an average height of 170 cm. find ....cm. find the average height of the remaining 32 students.

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