GATE EC 2014 Set 2 — Question 8
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General Aptitude → Quantitative Aptitude → Elementary Statistics & Probability
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Question
The sum of eight consecutive odd numbers is 656. The average of four consecutive even numbers is 87. What is the sum of the smallest odd number and second largest even number?
Correct answer
163 to 163
Solution
Step 1: Find the eight consecutive odd numbers.
Let the numbers be .
Sum
The smallest odd number is 75.Step 2: Find the four consecutive even numbers.
Let the numbers be .
Average
The even numbers are 84, 86, 88, 90.
The second largest even number is 88.Step 3: Calculate the required sum.
Sum .
Let the numbers be .
Sum
The smallest odd number is 75.Step 2: Find the four consecutive even numbers.
Let the numbers be .
Average
The even numbers are 84, 86, 88, 90.
The second largest even number is 88.Step 3: Calculate the required sum.
Sum .
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