NIACL Model Paper 3 with solutions for free online practice

Question : 18 of 100

Marks: +1, -0

The average of five positive numbers is 213. The average of the first two numbers is 233.5 and the average of last two numbers is 271. What is the third number?

64
56
106
Cannot be determined
None of these

Validate

Solution:

(b) According to the question, third number will be

= 5×213-2×233.5-2×271

1065-467-542 = 56

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