Question : The average of the series 500, 505, 515, 530, 550 is:
Option 1: 520
Option 2: 515
Option 3: 505
Option 4: 530
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Correct Answer: 520
Solution : $\text{Average}$ $=\frac{\text{Sum of all observations}}{{\text{Total number of observations}}}$ $=\frac{500+505+515+530+550}{5}$ $=\frac{2600}{5}$ $= 520$ Hence, the correct answer is 520.
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Question : The average of the set of scores 512, 528, 556, 584, and 615 is:
Option 1: 586
Option 2: 559
Option 3: 530
Option 4: 600
Question : The difference between 73% of a number and 45% of the same number is 112. Find the number.
Option 1: 450
Option 2: 400
Option 3: 500
Option 4: 550
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? 3, 7, 15, 31, 63, 127, 255, ?
Option 2: 511
Option 3: 560
Option 4: 510
Question : The average of 10 consecutive integers is $\frac{11}{2}$. What is the average of the "smallest four" of these integers?
Option 1: 2.5
Option 2: 3.5
Option 3: 3
Option 4: 2
Question : Directions: Which one of the given responses is the meaningful order of the following? 1. Brahmaputra 2. Atlantic 3. Chilka 4. Bay of Bengal
Option 1: 2, 4, 1, 3
Option 2: 2, 4, 3, 1
Option 3: 3, 1, 4, 2
Option 4: 3, 4, 2, 1
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